The surface area of the pyramid is square centimeters.
fill in blank plz dont waste my points.

1- is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis. 2- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis. 3- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in part b?

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i