The equation y - 9 + 9 = - 17 + 9 is an example of which property of equality?

A. Substitution Property of Equality

B. Addition Property of Equality

C. Reflexive Property of Equality

D. Symmetric Property of Equality

The table shows numbers with the ratio x : y. Find the missing number. x 4? 36 42 y 20 120 180 210

Suppose there are 18 boys and 12 girls. What is the probability that the team will have 2 boys and 2 girls?

At Snack Shack, drinks cost $1.50. Write an expression that could be used to find the total cost in dollars of d drinks.

Nancy and bill collect coins. Nancy has x coins. Bill has 7 coins fewer than 2 times the number of coins Nancy has. Write and simplify an expression for the total number of coins Nancy and bill have. Simplify your answer.

2c=c+7 What are the steps to find the answer to this equation?

What digit is in the ten-thousands place in the number 81,473

How to solve 7/9 - 2/3

A scientist is measuring the temperature change and a chemical compound the temperature dropped 11 Fahrenheit per hour from the original temperature after four hours the temperature was 90°F find the compounds original temperature

Concrete can be purchased by the cubic yard. How much will it cost to pour a slab that is 17 ft by 17 ft by 2 ft if the concrete costs $40.00 per cubic yard?

A county government says that a safe level of chlorine in a hot tub is within 1.75 ppm of 3.25 ppm.