Evaluate if possible.
+ 
A. 21
B. 19
C. 261
D. 3
Answer: A
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Write the expression in the standard form a + bi.6i(6 - 9i)
A. 36i - 54i2 B. 54+ 36i C. 36i + 54i2 D. 36i- 54
Solve the problem.The MetroCity paint company is planning to produce a new line of paint. The paint will be produced by the gallon. For the first year, the fixed costs for setting up production are $4500. The variable costs for producing each gallon are $15. The revenue for each gallon is $45. Find the break-even point (the number of gallons of paint which must be sold to break even).
A. 149 gallons of paint B. 154 gallons of paint C. 152 gallons of paint D. 150 gallons of paint
Complete the factorization.4y2 - 25y + 25 = (
- 5)(
- 5)
A. 2y, 2y B. 4y, 2y C. y, 4y D. 4y, y
Determine whether u and v are parallel, orthogonal, or neither.
u = 
, v = ?
A. neither B. parallel C. orthogonal