X2-64=0
x2=64
x=8 because when multiplied by itself, and plugged back in, it works
Answer: his lunch will cost him 45 dollar
Step-by-step explanation:
Let X be a random variable representing the score of of student.
P(X ≥ 50) = 1 - P(X < 50) = 1 - P(z < (50 - 42)/8) = 1 - P(z < 1) = 1 - 0.84134 = 0.15866
5/4 of 185..." of " means multiply
5/4(185) = 925/4 = 231 1/4 miles
<span>8 less than the the product of 12 and a number x
12 · x - 8 = 12x - 8
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