Answer:
the first one
Step-by-step explanation:
i did the test and got it right
Answer:
q= -4
Step-by-step explanation:

Collect like terms and simplify

Divide both sides of the equation by 2

Simplify

Answer:
35%
Step-by-step explanation:
each = $21
cost price = $60
percentage = ?
21/60 x 100/1. To get the percentage, we divide through to get our answer
Hope it helps! If it is, Brainliest please!