Subtract. Write a mixed numeral for the answer.
A. 17
B. 18
C. 19
D. 18
Answer: B
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Find the intervals on which the function is continuous.y = 
- 2x
A. discontinuous only when x = -7 B. discontinuous only when x = 5 C. continuous everywhere D. discontinuous only when x = -5
Solve the problem.A couple have bought a new house and are comparing quotes from two moving companies for moving their furniture. Company A charges $80 for the truck and $50 per hour for the movers. Company B charges $60 for the truck and $55 per hour for the movers. Create a cost equation for each company where y is the total cost and x is the number of hours of labor. Write a system of equations.
A. y = 80x + 50 y = 60x + 55 B. 50y = x + 80 55y = x + 60 C. 50y = 80x 55y = 60x D. y = 50x + 80 y = 55x + 60
Solve the equation by completing the square.x2 + 10x + 10 = 0
A. 5 ± 
B. -10 + 
C. 5 + 
D. -5 ± 
Arrange the numbers from smallest to largest.-4.3, -4.1, -4.2
A. -4.3, -4.1, -4.2 B. -4.3, -4.2, -4.1 C. -4.2, -4.3, -4.1 D. -4.1, -4.2, -4.3