When x-y=3 work out the value of 2x-2y

Which algebraic expression represents the phrase "the quotient of negative eight and the sum of a number and three"?

Value of the digit in the hundredths place. 44

John spent $36 to buy 4 basketballs. What was the price per basketball? How many basketballs could he buy with $50?

In a class of 23 student the girls were 7 more than the boys how many boys were in the class

What is the formula for calculating volume of a substance if you are given the mass and the density

1 a. Rhian measures the height of one of her tomato plants as 20 cm. Next week it is 15% taller. What is its new height? 1 b. Another tomato plant grows from 240 cm to 312 cm. Calculate the percentage change in height.

Order these numbers from least to greatest. 1.5, 1.403, 1.43, 1.4312

What is the set of all possible outcomes of a probability experiment?

In this equation, is 6 a standard number. n + 6 = 20

Unoccupied 25 story towers sold for 3/4 off their original value. If the towers sold for 16 million what was the original value