What is x^2-64=0

The cost of $500,000 worth of 20-year term life insurance for Derek is $96.21 per month. If Derek's employer covers 85% of this cost, how much is deducted from Derek's gross income per year for life insurance?

Write the equation. Lucy rides her bike 20 km every week how many km dose Lucy ride her bike in 7 weeks?

If x divided 9=9 how do u know what x is

How many cups are in 5 pints

Twelve eggs cost 2.04. How much would 18 eggs cost?

For the first 4 class periods of day, Lewis has science history, math, and English, but not necessarily in that order. He does not have science or hist first period. He does not have math, English, or science second period.

I don' need sleep i need answers x2+10x = - 9 x2-14x+40=-5

Each blade on a windmill is in the shape of a triangle with a base of 7 ft and height of 4 ft if there are four blades on the windmill, what is the total area of the blades.

A woman earned wages of $42500, received $2800 in interest from a savings account, and contributed $3200 to a tax-deferred retirement plan. She was entitled to a personal exemption of $4050 and had deductions totaling $6540.

If Santiago wanted to turn his $279.89 into as many nickels as possible, how many would he have?