On friday, 2 classes went on a feild trip. if the 3 other classes are left at the school, and there are 20 students per class, how many students are left at the school?

How to solve 10x+36-38x-47

I don't understand this: F (9) if f (x) = x+13

Tony rounded each of the numbers 154 and 145 to the nearest hundred. which choice correctly compares the rounded numbers?

Find all values of x in the interval [0, 2π] that satisfy the equation. (enter your answers as a comma-separated list.) 6 sin (2x) = 6 cos (x)

The diameter of a circle is 11 m. Find its area to the nearest tenth.

What are the factors of the expression 3x (y + 5) ? A) 3, x B) 3, (y + 5) C) x, (y + 5) D) 3, x, (y + 5)

Express 125 = 5x as a logarithmic equation.

A doormat is 3 feet by 2 feet. What is the area of the doormat? 2 1/2 ft 2 NI 3 ft

Wat is the sum of 4 consecutive integers is 198

A boy purchased (bought) a party-length sandwich 54 in. long. He wants to cut it into three pieces so that the middle piece is 6 in. longer than the shortest piece and the shortest piece is 9 in. shorter than the longest piece.