answer for this question is (b)perpendicular
Answer:
5
Step-by-step explanation:
6a = (a*-3) + 45
then:
6a = -3a + 45
6a + 3a = 45
9a = 45
a = 45/9
a = 5
Check:
6*5 = (5*-3) + 45
30 = -15 + 45
Answer:
c
Step-by-step explanation:
Answer:$57.75
Step-by-step explanation:
Find the total amount of hours he worked

So, he worked 5.5h and he earns $10.50 an hour.
($10.50)(5.5h)=$57.75