Answer:
9.
Step-by-step explanation:
It's given that A = 16. It shows that B = A-7, so that would mean B is 16-7, which is 9.
C. (x + 8) ( x - 8)
x² - 64
= x² - 8²
= (x + 8) ( x - 8)
Hope it will help :)
D. 2 1/2
9/4 = 2.50 = 2 1/2
34(43+33(jg
m∠1 = 67