10a-5+3a-2a when a=7

Ellen sells mugs that are in boxes in a shape of a cube the edges have a length of 1/2 foot ellen can completely fill a container in the shape of a rectangular prism with 378 boxes what is the volume of her container

A watercolor painting is 15inches long by 9 inches wide. Ramon makes a border around the watercolor painting by making a mat that adds 3 inches to each side of length and width. What is the area of the mat?

Amir arranged 9 photos on a bulletin board. He put the photos in rows. Wach row contains the same number of photos. How many photos could be in each row?

What percent of 250 tired is 12 tires?

Select all of the following that are ordered pairs of the given function f (x) = 3-2x

Simplify - 9+5 (y+3) - 2y

The expression (8) x/3 is equivalent to: (8) x - (8) 3 (2) x (2) x/3 2x

How many outcomes are there for the event of rolling a 6-sided number cube and then spinning a 10-part spinner?

Marvin has 4 books to read for homework this week if he reads 2/3 of a book each night how many nights will it take him to read all four book's?

The product of two given numbers is 126 both of them are divisible by 3 but neither of them is 3. The larger of the two numbers is