Use the information below to determine the indicated set. U = {x | x ? N and x ? 15} A = {x | x ? N and 5 < x < 10} B = {x | x ? N and x is even and x < 14} C = {x | x ? N and 8 ? x ? 13}(A ? B') ? (B ? A')
A. { }
B. {2, 4, 10, 12}
C. {2, 4, 7, 9, 10, 12}
D. {7, 9}
Answer: C
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Provide an appropriate response.The mail carrier brings you 4 checks for $231 each. Are you richer or poorer? by how much?
A. Poorer by $1840; 4 ? (-231) = -1840 B. Richer by $1840; 4 ? 231 = 1840 C. Poorer by $924; 4 ? (-231) = -924 D. Richer by $924; 4 ? 231 = 924
Solve the problem. Round to the nearest tenth if necessary.Last year, Maria earned $392 per week. This year, her salary increased to 
per week. What is the percent of increase?
A.
| 94.5% |
B. 5.9%
C.
| 94.1% |
D.
| 5.5% |
Find the standard form of the equation of the parabola with the given characteristic(s) and vertex at the origin.
Passes through the point
vertical axis
What will be an ideal response?
y?? ? 4y? + 20y = 0, y (0) = 5, y?(0) = 2
Solve the initial-value problem.