Which of the following could be a rational number?
a. the sum of two irrational numbers
b. the product of two irrational number
c. the sum of a rational number and an irrational number
d. the product of a rational number and an irrational number

btw, the answer is not d, because i got that answer wrong.
plz explain your )

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount

Fill in the blank 1. a rhombus is a rectangle a) always b) sometimes c) never 2. a square is a quadrilateral a) always b) sometimes c) never 3. a trapezoid is a kite a) always b) sometimes c) never 4. a quadrilateral is a kite a) always b) sometimes c) never 5. a square is a rhombus a) always b) sometimes c) never 6. a parallelogram is a rectangle a) always b) sometimes c) never