Mary is 21 years old. Her age is 9 years more than 3 times Henry's age. Which equation can be used to determine x, Henry's age in years?

Create an equivalent expression by combining like terms! 4) 2b + 3c + 1b + 5c 2b + 4c + 3b + 9c 8b + 8c + 2g + 6c

Round to the nearest thousand 6,527,651

amy and brittnay spent a total of $25 for lunch. Brittanys lunch cost $3 more than amy's did. how much did amy spend for lunch?

Four less than the product of 14 and mal's age

A student claims that 8^3 times 8^-5 is greater than 1

Find the geometric mean of 2 and 50

90 is 37.5% of what number?

In order to solve for the variable In the equation 1 - (x+2) + 2x=5 (2x-5) - x, Mikel first applies the distributive property. Which equation is a result of this step? A) 1-x+2+2x=10x-5-x B) 1-x-2+2x=10x-25-x C) 1-x-1+2x=10x-25-x D) 1-x-1+2x=10x-5-x

Coin Flips Recall the scenario from the previous page. A psychic claims to be able to predict the outcome of coin flips before they happen. Someone who guesses randomly will predict about half of coin flips correctly.

Evaluate e-1/2f when f equals, 2.