Answer:
please mark my answer brainliest
Step-by-step explanation:
the correct name will be QP...or QR
d/7 = c
-5c+d=2c
Add 5c to each side
-5c+5c+d=2c+5c
d = 7c
Divide each side by 7
d/7 = 7c/7
Answer: 4
Step-by-step explanation: b =√c² - a ²
=√ 5² - 3 ²
=√16
=4
80.7 because you multiply