Help me please this is due in a day! And I got so confused. So can you guys help? By filling in the blanks(empty box) with the answer and the names are in the picture. Thanks I need to get this right to pass my math 0¥0

Qrst is a parallelogram. determine the measure of ∠q pls

Add, subtract, multiply, or divide as indicated. list any restrictions for the variable(s) and simplify the answers when possible. 1) x-2 / x+5 + 3x / 2x-1 2) x+6 / x-6 - x^2 / x+6 3) x+9 / x-4 + x+2 / x^2-11x+28 4) x / x^2-64 + 11 / 2x^2+11x-40 5) 5 / x + 11 / x-3 - x-4 / x^2+2x-15

Given: m zade = 60° and m2cdf = (3x + 15) prove: x = 15