Where do you put parentheses in 15-3*4+2 to get 50

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

What is the unit rate of, 75% high fiber chimp food to 25% high protein chimp food.

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30