Awnser plzz mathmultiple questions multiple points lolall in simplest form x+4/5=11 (what is the value of x) x-3/7=4 (what i'd the value of x) x+3/5=5/7 (what is the value of x)

Solve the system of equations y= 3/2 - 1, -x+ y =-3

What is x3+3x2−16x−48 divided by x−1?

At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad