A and d................................
Answer:
107°
Step-by-step explanation:
m∠m+m∠p= 180°
(7x+31)°(21x-19)°=180°
7x+31+21x-19= 180
7x+21x=180+19-31
28x=168
x= 168/28
x= 6
m∠p= (21x-19)°
= (21(16)-19)°=(126-19)°
= 107°
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hope it helps..
have a great day!!
No

put 11 for p

add exponents. base stays the same

multiply exponents. base stays same

answer:

His answer is inncorrect becase he added the exponents 12 and 3 instead of multiplying. You multiply exponents when one is raised to another.
for example:

still check internet to make sure if im right.