I need help on this problem!

g(h+2/3)=1 for h

In the coordinate plan (-6,9) b (3,9) c (3,3) def is shown in the coordinate plan below

At a lunchron, guests are offered a selection of five different grilled vegetables and four different meats. in how many waya could one choose three vegetables and two meats?

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