Perform the indicated operation. Write the result in the form a + bi.
? 
A. -
B. i
C. 
D. -i
Answer: A
Mathematics
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Solve the inequality and write the answer in interval notation.
?
What will be an ideal response?
Mathematics
Sketch the graph of the quadratic function. Give the vertex and axis of symmetry.f(x) = x2 - 4
A. vertex (0, 4); axis x = 0
B. vertex (0, -4); axis x = 0
C. vertex (-4, 0); axis x = -4
D. vertex (4, 0); axis x = 4
Mathematics
Solve the problem.Jared borrowed $273 from his friend Linda. He paid her back $30, but then had to borrow another $97. How much does he still owe her?
A. $340 B. $400 C. $146 D. $206
Mathematics
Find the volume.
A.
| 17.4 cm3 |
B.
| 185.472 cm3 |
C.
| 44.92 cm3 |
D.
| 185.472 cm2 |
Mathematics