At one high school, the mean time for running the 100-yard dash is 
with a standard deviation of 0.9 seconds. The times are very closely approximated by a normal curve. Find the percent of times that are:Greater than 13.4 seconds
A. 84%
B. 98%
C. 2.5%
D. 97.7%
Answer: D
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Provide an appropriate response.The equation below contains addition and multiplication. Solve the equation.14 = 2 + 3 ? w
A. w = 2 B. w = 9 C. w = 4 D. w = 13
Solve the system, if possible. If (x, y, z) is the solution to the system, give the value of 
.
?
?
?
A. 25 B. -25 C. -37 D. -16 E. no solution; inconsistent system
Solve the initial value problem: y? = sin (x) ? 4x; y (0) = ?3 .
What will be an ideal response?
Write the equation of a polynomial function with the given characteristics. Use a leading coefficient of 1 or -1 and make the degree of the function as small as possible.Touches the x-axis at 0 and crosses the x-axis at 2; lies below the x-axis between 0 and 2.
A. f(x) = -x3 - 2x2 B. f(x) = x3 - 2x2 C. f(x) = x3 + 2x2 D. f(x) = -x3 + 2x2