Simplify: a+2a+3a+4a

Jonah ia thinking of a 2 didget number. It is a multiple of 6 and 12. It is a factor of 108. The sum of the didget is 9. What number is Jonah thinking of?

Based on census data, the population of Freedonia is modeled by the function P (t) = 325 t^2 + 28547 people, where t represents the number of years after 1990.

Find two-three digit numbers whose sum is a multiple of 504 and the quotient is a multiple of 6

Write a list of three ingredients that are commonly found in un batido

Write an equation that gives the cost y of renting a car for x days from Rent-All?

A rectangular parking lot has a perimeter of 232 feet. The length of the parking lot is 36 feet less than with. Find the length and width

The lengths of two sides of triangle are given. Determine the range for the possible lengths of the third side

Jose bought 9 movie tickets for a total of $54. Adult tickets cost $8 each and child tickets cost $3.50 each. How many adult tickets did he buy?

Ms smith has 28 sixth graders and 35 seventh graders for math. If she wants to break the two grades into identical groups without any students left over how many students will be I each group?

In the right triangle shown, m_Y = 30° and XY = 6. How long is Y Z?