Apizza restaurant has 21 topping choices and 3 dough choices. how many different 3-
topping pizzas can be made if toppings can be selected more than once?

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?

If a distance of 75 yds is measured back from the edge of the canyon and two angles are measured , find the distance across the canyon angle acb = 50° angle abc=100° a=75 yds what does c equal?