9a+7b for a = 7 and b=12

The expression 6 (x - 5) means the

Count by ones from 368 to 500 change fot a larger unit when necessary

There are red and blue balls in a bag. The number of blue balls is 27 and the red balls are 4/7 of all balls. What is the total number of balls in the bag?

The dimensions of a rectangle are sqrt 50a^3b^3 and sqrt 200a^3 A student found the perimeter as follows: whats the student's error?

Janice was cleaning out her closet. She found 2 pieces of red ribbon that measured 1 1/3 yards and 1.5 yards. She also found 2 pieces of blue ribbon that measured 1/2 yard and 1/4 yard. How much more red ribbon does she have then blue ribbon

Children of age 3-6 years require 25% less sleep per day than infants, who need 16hours. How much slee do the 3-6 year olds need?

An animal shelter houses only dogs and cats. The ratio of cats to dogs at the shelter is 11:9. What is the ratio of the number of dogs to the total number of animals at the shelter?

Find three consecutive intergers such that three times the third is 102 more than the sum of the first and second.

Using the formula A=l•w solve the following word problem. You have enough wallpaper to cover 240 square feet. If your walls are 8 feet high, what wall length can you paper? a. Wall length of 40 feet b. Wall length of 30 feet c.

How to write the number 55 in another way