The measure of ∠PQR is 90°. Find the value of x.

Solve the triangle. a = 21°, c = 105°, c = 5

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.

Find the value of the variable and the length of each chord for #5 and #6.