The answer is 3x2 − 8x + 4 or A
Answer:
56
Step-by-step explanation:
T+B = 119
T=B-7
B-7 + B = 119
2B = 126
B = 63 years old
T= 63-7 = 56 years old
7x + 4 = 12
7x = 12-4
7x = 8
x = 7/8
2 is C but I dunno about 1