I got 1970 in October test;however,at home, I usually get +2100.

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…

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.

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…

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