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Assuming that Luis maintains the same rate of blowing each balloon, then we could determine how long it took him to blow up a single balloon
25 minutes / 10 balloons = 2.5 minutes per balloon.
Answer: 1, -1
Step-by-step explanation: This is a difference of squares when factored,
(x+1)(x-1)
Let's check using FOIL(First, outside, inside, last)
x * x =x^2
1 *x =x
x * (-1) =-x
1* -1 =-1
so x^2 +x -x -1
=x^2 -1
Answer:
5 to the power of 5
Step-by-step explanation:
We know that 12 and 64 is evenly divided by 4.
We also know that 12 + 64 = 76.
Answer: B