Answer:

Step-by-step explanation:

<u>Apply distributive law: </u>
<u>OAmalOHopeO</u>
Answer:
$7.77
Step-by-step explanation:
42
<u>+7.77</u>
49.77
Answer:
51/40
Step-by-step explanation:
2/5+7/8
(2*8/5*8)+(7*5/5*8)
16/40+35/40
=>51/40
Answer:
x = -1
Step-by-step explanation:
30 = 2.5(10)(-2x) - you multiply by each
30 = 25 - 5x - then pass 25 to the other side and subract
5x = - 5x - then divide 5 / -5
x = -1 - and you have the answer