Answer:
The other person is correct.
Step-by-step explanation:
Answer: A and D
if he earns $8 an hour and he got $168 and h= the hours then
h=8 x 21 = 168
=3.162
x2
= −0 + √ 02 − 4×1×(−10)
2×1
= 0 + 2 × √ 10
2
= 3.162
13 x 15 = 195