Wilma can mow a lawn in 3 hours. If Kyle helps her with another mower, the lawn can be mowed in 2 hours. how long would it take kyle if he worked alone?

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33

Which equation shows the quadratic formula used correctly to solve 5x2 + 3x -4 0 for x? cos -3+ v (3) 2-4() 2(5) 3+ |(3)² +4() 205) 3+ (3) 2-4() -3+ v (3)² +4()