Answer:
b=40
Step-by-step explanation:
Since PQ is equal to RQ triangle PQR is isosceles. Angle PRQ is equal to 40 degrees because of supplementary angles. And since triangle PQR is isosceles angle b is equal to angle PRQ which means angle b is equal to 40
B. The set of all possible output values, or y-values
C. The set of all possible input values, or y-values
D. The set of all possible output values, or x-values
What is the GCF and LCM of 8 and 12