528+787 using standard algorithm

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3