Question

Math question pls be fast

Answer 1

Answer:

question.42 answer is 5/8

question.43 answer is 4

question.44 answer is in attachment

question.45 answer is A-30 B-10 C-30 D-10

Step-by-step explanation:

1/8+x=3/4

x=3/4-1/8

x=6/8-1/8

x=5/8

x/2+10=12

x/2=12-10

x/2=2

x=2×2

x=4

80=30+30+x+x

80=60+2x

80-60=2x

20=2x

x=20/2

x=10