Answer:
15/4 and 45/4
Step-by-step explanation:
Let x and y be the numbers
x = 3y
x+ y = 15
Substitute the first equation in to the second equation
3y+y = 15
4y = 15
y = 15/4
x = 3(15/4)
x = 45/4
The two numbers are 15/4 and 45/4
Answer: Choice C.
and Choice E. 
Step-by-step explanation:
Algebraic exponents.
Answer:
60%
Step-by-step explanation:
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I believe the answer is 14
What picture are you talking about