Use the distributive property to simplify.-3(x - 7)
A. -3x + 21
B. 3x + 21
C. -3x + 7
D. -3x - 21
Answer: A
Mathematics
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Provide an appropriate response.Show that 
+ 
= 
. In terms of area, explain the result.
What will be an ideal response?
Mathematics
The function f is one-to-one. Find its inverse.f(x) = x2 + 2, x ? 0
A. f-1(x) = 
- 2, x ? 0
B. f-1(x) = 
, x ? 2
C. f-1(x) = 
, x ? -2
D. f-1(x) = 
- 2, x < 0
Mathematics
First, round the mixed numbers to the nearest whole number and estimate the answer. Then find the exact answer and write it in simplest form.11 - 
A. 10
B. 10
C. 11
D. 8
Mathematics
Rewrite 
as a product.
A. 
B. 
C. 
D. 
E. 
Mathematics