Alberto bought his bicycle for$275. He sold for $350. What was the amount of his Percentage profit?

Afootball is passed through the air and caught at ground level for a touchdown. the height of the ball (h) is given by h= -d² + 12d + 6, where d is the distance in feet the ball travels horizontally. how far from the player passing the ball will the ball be caught? 40 points! will mark brainliest!

22 points algebra 1//sum and product of rational and irrational numbers. dont have to do all 4 if could much : )) write an example: 1) how the product of two identical irrational numbers can be a rational number. 2) how the product of two different irrational numbers can be a rational number. 3) write a quotient of intergers that is not a real number. 4) is the set of positive irrational numbers closed for the operation of division? if not give a counter example.

What equation results from completing the square and then factoring? x^2+22x=31 a) (x+11)^2 = 152 b) (x+22)^2 = 152 c) (x+11)^2 = 53 d) (x+22)^2 = 53