Uan's Tacos invested $575 for supplies to sell at a soccer game. His total receipts for the venue was $1,300. What was his profit margin for the event?

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Solve 2x2 + 8 = 0 by graphing the related function. there are two solutions: . there are no real number solutions. there are two solutions: 2 and -2

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.