Answer:
x+9=15
Step-by-step explanation:
a number plus 9 is fifteen
let x represent the unknown number
x+9=15
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I'm Pretty Sure It Would Be Answer A. {-6.6, -1.4}
The answer is A because it does not specify how much commercial bank deposits are insured up to.
Answer:
88
Step-by-step explanation:

The mean would be the sum of all the math quiz grades divided by the number of quizzes taken.
Solve for x:



Thus, Allen needs at least an 88 to obtain a mean of at least 90.