It takes Maria 10 hours to pick forty bushels of apples. Kayla can pick the same amount in 12 hours. How long will it take if they work together? Round your answer
to the nearest tenths place.

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30