Answer:
$3.80 per book
Step-by-step explanation:
I divided 19 by 5 to get the price per book
Answer:
y-3=3(x-2)
Step-by-step explanation:
y-y1=m(x-x1)
m=3
y-3=3(x-2)
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Answer:
5
Step-by-step explanation:
x^2-7x=30
x^2-7x-30=0
a = 1, b = -7, c = -30
sqrt(b^2-4ac)
sqrt(49+120)
sqrt(169)
13
-b +/- 13
7 + 13 = 20
7 - 13 = -6
2a = 2
20/2 = 10
-6/2 = -3
we know x>0, so it cant be -3. so now its just 10 - 5
8 goes into 136 17 times, so 136 divided by 8 is equal to 17