Are all even numbers composite?

A=1/2h (B+b); a=6, b=2, b=1 What is h

According to a survey of workers, StartFraction 2 Over 50 EndFraction of them walk to work, StartFraction 1 Over 50 EndFraction bike, StartFraction 11 Over 50 EndFraction carpool, and StartFraction 36 Over 50 EndFraction drive alone.

The length of a rentanlge is twice its width the perimeter of the retanagle is 126 ft

Angela earns $6.25 per hour babysitting. Estimate how much she will earn if she babysits for 9 hours this weekend. Explain.

Isabel walks 0.83 miles to and from the library 3 days a week. About how many miles does she walk in 4 weeks? Answers are: A. About 3 miles B. About 4 miles C. About 12 miles D. About 18 miles

What are the zeros of the function below? Check all that apply. F (x) = (x - 2) (x + 1) / x (x - 3) (x + 5)

What is 27 - 9.9 using mental math?

Sally is making sun tea. Every hour the concentration of the tea doubles. If it takes 6 hours for the tea to be ready how long would it take the tea to reach half of the final concentration?

How do you add 1/3 plus 4/10

A 9-cm chord is 11 cm from the center of a circle. What is the radius of the circle? C. 13.0 cm B. 11.9 cm A. 9.0 cm D. 14.2 cm