Solve the problem.If a person puts 1¢ in a piggy bank on the first day, 2¢ on the second day, 3¢ on the third day, and so forth, how much money will be in the bank after 30 days?
A. $4.65
B. $9.30
C. $0.30
D. $2.33
Answer: A
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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 $100 for the truck and $45 per hour for the movers. Company B charges $90 for the truck and $60 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. 45y = x + 100 60y = x + 90 B. y = 45x + 100 y = 60x + 90 C. 45y = 100x 60y = 90x D. y = 100x + 45 y = 90x + 60
Find the volume of the solid generated by revolving the shaded region about the given axis.About the y-axis
A. 100?
B. 
?
C. 25?
D. 
?
Solve the problem. Round to the nearest tenth unless indicated otherwise.At a fixed temperature, the resistance R of a wire varies directly as the length l and inversely as the square of its diameter d. If the resistance is 0.46 ohm when the diameter is 1 mm and the length is 230 cm, what is the resistance when the diameter is 2 mm and the length is 2170 cm?
A. 1.1 ohm B. 542.5 ohm C. 249.6 ohm D. 2.2 ohm
Determine if the following system is consistent, inconsistent, or dependent. If the system is consistent, find the solution of the system.
A. Dependent B. Consistent; (15, 12) C. Inconsistent D. Consistent; (15, -12)