Write the expression in the form a + bi.
A. 
- 
i
B. 1 - 
i
C. 
+ 
i
D. 
- 
i
Answer: C
Mathematics
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. (-2)2(-2)3
A. -64
B. -32
C. 
D. 
Mathematics
Find decimal notation70%
A. 0.07 B. 0.59 C. 0.7 D. 7
Mathematics
Without graphing, determine whether the graph of the quadratic function opens up or opens down. Also, determine of the graph will be wider or narrower than the graph of y = x2.f(x) = 3x + 
x2 - 5
A. down, wider B. up, wider C. up, narrower D. down, narrower
Mathematics
Solve the problem.A company had 34 employees last year and 23 employees this year. Find the percent decrease in the number of employees. Round to the nearest tenth of a percent, if necessary.
A. 47.8% B. 67.6% C. 52.2% D. 32.4%
Mathematics