Answer:
C
Step-by-step explanation:
We want to solve the equation:
Using the quadratic formula. The quadratic formula is given by:
In this case, <em>a</em> = 1, <em>b</em> = 2, and <em>c</em> = 7.
Substitute:
Evaluate:
Simplify the square root:
Hence:
Simplify:
Hence, our solutions are:
Our answer is C.
Whatever was being measured is lower for the second year than it was for the first.
Answer:
7x
Step-by-step explanation:
83.52
A
Step-by-step explanation:
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Answer:
F. 30 G. 8
Step-by-step explanation:
F. 9 / 9 + 6 = 18 / BC
9 + 6 = 15
9 / 15 = 18 / BC
9 x 2 = 18
15 x 2 = 30
G. 9 / 6 = 12 / EC
9/6 reduces to 3/2
3/2 = 12/EC
3 x 4 = 12
2 x 4 = 8