What is the answer to this equation?

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

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units