HELP Robert can paint a fence in 6 hours. Robert and Juan together can paint a fence in 3 hours.

What equation can represent the number of hours, x, Juan can paint the fence by himself?

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

Griffin ordered a pair of sneakers online. he had a $22 credit that he applied toward the purchase, and then he used a credit card to pay for the rest of the cost. if the shoes cost $58, how much did griffin charge to his credit card when he bought the sneakers?

Simplify: -2x 3 (-4) x 6 x (-5) x (-3) x 9