How do i write an algebraic expression for 90 times x?

A new television measures 24" by 18". what is the length of the diagonal of the television?

26 times does go into 92

MobiStar is a mobile services company that sells 800 Obile services company that sells 800 phones each week when it charges $80 per phone. It sells 40 more phones per week for each $2 decrease in price.

My teacher asked what 85-3 is

Can somebody explain how to factor m to the 7th power - m squared m7 - m2

How do we find the mode of a set of numbers and can there be more than one

Ella is making 3 batches of banana milkshake she needs 3/4 gallon of milk for each bath. Her measuring cup holds 1/4 gallon. How many times will she needs to fill the measuring cup to make all 3 bathes of milkshake.

1 fifth of 50% ...

What is the answer to 6 (x + 2) - x = 4 (x + 4) + 7

A store pays $3for a magazine. The mark up price is 5%