Answer:

Step-by-step explanation:

Expand parentheses:

Subtract 42 from both sides:

Divide both sides by 14:

Hope this helps!
Answer:
Jane
Step-by-step explanation:
because she sells 9 pairs for 7,76
Answer:
20a + -5b + -9
Step-by-step explanation:
85 % of drivers pass the first time.
Calculations:
100%-15%=85%