Some strategies of how to simplify an expression like 2x-5b+5x

Find the number that makes the ratio equivalent to 2:6. 20:

There are 19 green marbles in a box. The number of green marbles in the box is 6 more than half the number of red marbles in the box. Write an algebraic equation to represent r, the number of red marbles in the box.

A decimal number is an irrational number A) Always B) Sometimes C) Never

What is y=7x 1 hu0ijiojuhytrf5edrt?

Solving equations -30=6-8p what is p

The radius of a car wheel is 12 inches. How far will the car travel and 15 revolutions of the wheel?

If 15 workers can paint 18 houses in 24 days how many days will 40 workers take to paint 22 house

Gemma mean speed on her drive home from Chicago is 56 mph. If the total trip is 532 miles how long should she expect the drive to take?

A new building needed 14 windows the builder already installed five of them it takes four hours to install each window how long will it take him to install the rest

Which of the following phrases are equations? Choose 3 answers: (A) 60/5 = 4 * 3 (B) 74 = - 2t (C) q - 6 < q - 5 (D) (r-3) * s=s² (E). 9< (3v) (v+1)