Answer:
x^2+20−100 and 16^2−24+9^2
Step-by-step explanation:
Answer:
5
Step-by-step explanation:
It's the first number on the graph that you can go into.
You have to turn the 12 into 1/12 for its reciprocal. Then you do 4/9*1/12. You cancel the 4 and make it into a 1 and make the 12 into a 3. 9*3=27. So you get D: 1/27
0.17/30 = x/450 <em>Use proportion</em>
76.50 = 30x <em>Cross multiply</em>
2.55 = x <em>Divide 30 both sides</em>
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7.5 minutes call would cost 2.55
Answer:
I believe it should be d
Step-by-step explanation: