Evaluate the sum using the given information.x1 = -4, x2 = 4, x3 = -1, x4 = -2, and?x = 0.7; f(x) = 
(Round to the nearest tenth, if necessary.)
A. -1
B. -2.4
C. -2.2
D. 3.4
Answer: C
Mathematics
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Write the fraction as a percent.
A. 0.3125% B. 0.03125% C. 31.25% D. 3.125%
Mathematics
Solve the inequality.
? x + 1 or 
- 1 > 
A. (-?, -4) ? (12, ?) B. (-?, -4] ? [12, ?) C. (-?, 6] ? [12, ?) D. [12, ?)
Mathematics
Simplify 
and write the answer in standard form.
a. 
b. 
c. 
d. 
e. 
Mathematics
Simplify the expression. Write the result using positive exponents only.-5z-4
A. 
B. - 
C. - 
D. 
Mathematics