Do the operation and express the answer in a + bi form.
A) - 11 + 18 i
B) 11 + 9 i
C) - 11 + 9 i
D) - 11 - 9 i
E) 11 - 9 i
E) 11 - 9 i
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Solve.An experienced accountant can balance the books twice as fast as a new accountant. Working together it takes the accountants 10 hours. How long would it take the experienced accountant working alone?
A. 5 hr B. 15 hr C. 25 hr D. 20 hr
Solve.Grady is planning a border for his triangular-shaped garden. One side of the garden is 13.6 feet long, another side is 14.8 feet long, and the third side is 21.6 feet long. Find the amount of border material needed.
A. 51 ft B. 50.1 ft C. 50 ft D. 49 ft
Solve.(-94 -
)2 - 16(-94 -
) + 13 = 0
A. 10,404 + 204
B. No solution
C. 10,404 - 204
, 10,404 + 204
D. 10,404 - 204
Translate to an algebraic expression using the variable, x.4 less than 5 times a number
A. 5 - 4x B. 5x - 4 C. 4 - 5x D. 4x - 5