How can I use benchmarks to estimate 9/10+4/10

Write as a unit rate. $8.00 per 5 ounces. A $1.60 per ounce B $0.63 per ounce C 1.6 ounces per dollar D 0.625 ounces per dollar

How do you know that the product of any two numbers greater than 1 must be a composite number?

Which property is shown? (k·7) + (k·9) = k· (7+9)

A car dealership buys a car for $7500 if they mark up the price of the car by 18% at what price will they list the car

A trampoline gym charges $6 for 1/2 of an hour. At that rate, what does 1 hour cost?

A work crew has a new pump and an old pump. The new pump can fill a tank in 5 hours, and the old pump can fill the same tank in 7hours. Write and solve an equation for the time it will take both pumps to fill one tank if the pumps are used together?

Solve for x. Show your work. 1 x<-12 2

A glass bottle holds 3.75 cups of water. About how many milliliters of water can the bottle hold?

How to find x? -x+7=-4x-20

Write a verbal expression for x+6^2