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If the fraction is 7/8, the top number would be the numerator. So the numerator is 7.
Answer:
OR
x=\frac{3}{4} ±i\frac{\sqrt{39}}{4}\\
Step-by-step explanation:
Whenever you have a root of sqrt #, you must have the matching - (or positive).
This is because when you take a square root you get two solutions a positive and a negative.
The answer is LETTER A
X = pens and y = pencils
4x + 7y = 13.25
y = 0.75
4x + 7(0.75) = 13.25
4x + 5.25 = 13.25
4x = 13.25 - 5.25
4x = 8
x = 8/4
x = 2 <===so each pen cost 2 bucks
