Solve the problem.In one company, four out of every ten employees use all their sick time. What percent use all their sick time?
A. 4%
B. 40%
C. 6%
D. 60%
Answer: B
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For a certain species of cricket, the temperature T, in degrees Fahrenheit, can be estimated from the number n of cricket chirps per minute. The relationship is
.
?
A: Find a formula that expresses the number of chirps per minute as a function of the temperature.B: How many chirps per minute can be expected if the temperature is 55.00 degrees Fahrenheit?
What will be an ideal response?
Find the indicated composition.f(x) = 4x2 + 5x + 7; g(x) = 5x - 8Find (g ? f)(x).
A. (g ? f)(x) = 4x2 + 5x - 1 B. (g ? f)(x) = 4x2 + 25x + 27 C. (g ? f)(x) = 20x2 + 25x + 27 D. (g ? f)(x) = 20x2 + 25x + 43
Solve the equation.42 = -10x - 8
A. -5 B. 3 C. 64 D. 60
Solve the problem.The current I, in amperes, flowing through an ac (alternating current) circuit at time t, in seconds, is I = 30 sin(50?t)What is the amplitude? What is the period? Graph this function over two periods beginning at t = 0. 
What will be an ideal response?