Work out the value of: 3x+2y when x=2 and y=-5

3. A pyramid has a volume of 640 cubic centimeters. If the dimensions of the pyramid are reduced to one-fourth of the original dimensions, what is the volume of the new pyramid?

What can you say about the graph of the function below? Check all that apply. F (x) = 4 * (7) ^x A. the y intercept is (0,7) B. the y-intercept is (0,7) C. the y-intercept is (0,4) D. the range of F (x) is all real numbers

Jennifer planted a tree that was 0.17 of a meter tall. After 10 years, the tree was 100 times as tall as when she planted it. What is the height of the tree after 10 years?

What is the equation of a line whose slope is 9 and y-intercept is (0, - 1) ?

Payton collected data to show the relationship between the number of hours he practices in the number of errors he makes when playing a new piece of music the table shows data numbers of hours:1,2,3,4,5,6,7,8 number of errors: 36,34,30,31,23,16,11,5

Explain what it means to divide 5 by 1/4

The volume of a pyramid that fits exactly inside a cube is 10 cubic feet what is the volume of a cube

Mr. bailey purchased some groceries that cost d dollars. he paid $50 bill. write an expression for the amount of he will receives

In a survey of 612 students, 46% said they would flunk 6th grade on purpose just to stay in Mr. Cirillo's class. How many people would not flunk Mr. Cirillo's class on purpose.

A deposit of $5,000 is made into a savings account that offers 7.5% annual interest. Which equation models the amount of money in the account after t years? P (t) = 5,000 (1.75) t P (t) = 5,000 (1.075) t P (t) = 5,000 (0.925) t P (t) = 5,000 (0.