It is not 7 it is 12. 3x4 = 12
Add three to the product of 4 times twelve
Answer:
720
Step-by-step explanation:
hope it helps
Angle A and angle B sums up to 180 (interior angles)
6x - 35 + 3x + 53 = 180
9x + 18 = 180
9x = 162
x = 18
angle A = 6(18)-35 = 73 degrees