Which fraction 11/10 or 7/8 is greater then 1

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

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

Find the area of the surface obtained by rotating the curve z=4e^2y from y = 0 to y =1 about the y-axis. the area is square units