A baker worked for 10 hours straight and earned $80. What is the rate the baker earned per hour?

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points