Evaluate and Explain

3t (t+2) - 3t^2 for t=19

and

Simplifiy

- (3a-2b) - 3 (-a-b)

At an amusement park each student is given 16$ for food. this covers the cost of 2 meals and 4$ for snacks. how much money does the school expect students to spend per meal A. 4m-16=2 B. 4m-2=16 C. 4-2m=16 D. 2m+4=16

Lius has 5 over 8 quart of grape juice he pours the same amount in each 5 glasses which equation represents the fraction of a quart of grape juice n that is in each glass

11 tenths as a percent

Which are the like terms in 2y3 - 4y2 + y + y3? A. They are all like terms. B. 4y2and y C. 2y3and y3 D. 2y3, - 4y2, and y3

The positions of the digits of a certain two-digit number are swapped. The difference between the original two-digit number and the new two-digit number is 54. The ones digit of the original number is 3 more than twice the tens digit.

which is a statistical question? A. how old is harvey? B. what did oliver eat for dinner last night? C. how many hours a day does allen spend on his math homework? D. how much money did oliver give to roy?

the school spent 345 dollars on each new computer they brought if they brought 38 new computers how much did he spend in total

What were the main contours of English colonization in the seventeenth century?

Which is bigger 12 pints or 6 cups

A triangle with an perimeter of 23x-7 has two sides with lengths of 5x+7 and 8x-9. What is the length of the third side?