Answer:
adding 2 to each number
Step-by-step explanation:
7 +2 = 9 + 2 = 11
Answer:
12
Step-by-step explanation:
substitute b = 3 and c = 4 into the expression
8b - 3c
= 8(3) - 3(4)
= 24 - 12
= 12
Answer:

Step-by-step explanation:
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<h3>Hope it is helpful....</h3>
Answer:
She spent 25 minutes studying last week
Step-by-step explanation:
L = last week
120 = 4L + 20
Subtract 20 from either side
100 = 4L
Divde either side by 4
25 = L