The volume of water in a small pool is directly proportional to the depth of water. When there are 10 cubic feet of water in the pool, the depth of the water is 5 inches. How many cubic feet of water are in the pool when the depth of the water is 2 feet?

Four lines j,k,l, and m lie in a plane such that j || k and l || m. Which of the following can be concluded?

I: j || l

II: k || m

III: there is a total of four points of intersection.

(A) none

(B) I only

(C) III only

(D) I and II only

(E) I, II, III

The answer is A .why it is not C

Gear A has 72 teeth and gear B has 48 teeth. How many complete revolutions does gear A make when gear B makes 9 complete revolutions?

I got 1970 in October test;however,at home, I usually get +2100. I did a lot of effort in studying ,but my score shows that I did nothing. What is my problem? This is so frustrating and heartbreaking. I have your math guide and scored in the test 690(which is not good at all) although I usually score at home 800. I am willing to do anything that could help me reach my desired score,but what should I do? I am willing to practice for days but that doesn’t seem to bring good results on the test day

For an experiment, a liquid is kept in cold storage at a temperature of 20 degrees Fahrenheit . The liquid is removed from cold storage and is warmed at a constant rate of 3 degrees Fahrenheit per hour. Which of the following represents the temperature of the liquid , in degrees Celsius, t hours after it has been removed from cold storage.

C= 5/9 (f-32)

A) (5/3)t – 20/3 b)(5/3)t -188/9 c) (5/9)t – 20/3 d)(27/5)t +68 e) 3t +20

Eighteenth-century botanist Carl Linnaeus showed that bananas could be grown in Europe if farmers (will simulate) Asia’s monsoon climate by letting the soil dry out and then flooding it with water.

A) will simulate b) had simulated c) simulated d)who simulate e) simulating

In a certain truck,there are 6 times as many crates as barrels.if the weight of each barrel is 9 times the weight of each crate and the total weight of the barrels is 1200 kg, what is the total combined weight,in kilograms,of all the crates and barrels in the truck?

A)1500 b) 1800 c) 2000 d) 2400 e) 3000

When ( being interviewed) a for a job , you should ( emphasize ) b what you can do for the employer (rather than )c

what ( can the employer)d do for you. No error e.

Thomas Pynchon (reportedly)a agreed to allow his novel Gravity’s Rainbow ( to be adapted)b as an opera ( on the condition)c that the music ( be written)d for a single instrument: the banjo.