Answer:
91
Step-by-step explanation:
7(10+3)
7(10)+7(3)
70+21
91
Answer:
-p + 2q - 3r
Step-by-step explanation:
(p + q - 2r) - (2p - q + r)
= p + q - 2r - 2p + q - r
= -p + 2q - 3r
Answer:
meter
Step-by-step explanation:
Only one triangle is able to be drawn with those measurements and angle