In ΔPQR, the measure of ∠R=90°, RQ = 55, PR = 48, and QP = 73. What ratio represents the sine of ∠Q?

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

Which of the following is the sum of 3 1/6 + 6 3/8?

How many four digit even numbers can be formed from digits 1,2,3,4,5 if repetition is allowed. how can solve this using permutation formula