The ratio of students packing a lunch to those buying a lunch is 2:9. The number of students buying lunch is how many times the number of students packing a lunch?

A swimming pool is being drained with a pump. The pump drains the pool at a constant rate. The pool's water level drops 3 inches in 12 hours. What was the rate per hour of the water lever change? explain your answer (A) 4 in./hr (B) 4/5 in.

A theater has 40 seats in the first row, 42 in the second, 44 in the third etc. The theater has a total of 50 rows. How many seats are in the 50th row? How many seats are in the theater?

What happens to the volume of a rectangular prism if you double the height give an example

Solve for x. x2 + 6x = 0 0, - 6 0, 6 1, - 6 1, 6

Choose if the following function is even, odd or neither. f (x) = x^3

The Knight of Dishonor wants to attack the castle and decides that he should make a long ladder that will reach across the moat to the top of the castle. How long must the ladder be?

A collection of quarters and nickels is worth $3.75. There are 27 coins in all. Find how many of each there are.

Translate the sentence into a mathematical expression: "Twice x is 5"

The average temperature in Fairbanks Alaska in February for 4F below zero write this temperature as an integer

If p^3 is divisible by 80, then the positive integer p must have