Solve.Mark the electrician charges
for a house call, and then
per hour for labor. Sara the electrician charges
for a house call, and then
per hour for labor. Write a cost equation for each electrician, where y is the total cost of the electrical work and x is the number of hours of labor.
A. Mark: y = 35x + 85
Sara: y = 50x + 70
B. Mark: y = 70x + 50
Sara: y = 85x + 35
C. Mark: y = 85x + 35
Sara: y = 70x + 50
D. Mark: y = 50x + 70
Sara: y = 35x + 85
Answer: A
Mathematics
You might also like to view...
Find the derivative of y.y = ln(sech (9x + 8))
A. -9 tanh (9x + 8)
B.
C. -tanh (9x + 8)
D. tanh (9x + 8)
Mathematics
Evaluate the expression for the given replacement values.x - yfor x = -17, y = -6
A. 23 B. 11 C. -11 D. -23
Mathematics
Graph. +
= 1
A.
B.
C.
D.
Mathematics
Factor the expression.15x2y - 5xy + 15y2
A. 5xy(3x2 - x + 3y) B. 5y(3x2 + x + 3y) C. y(15x2 - 5x + 15y) D. 5y(3x2 - x + 3y)
Mathematics