Solve.The approach ramp used by a daredevil motorcyclist for flying over a collection of flaming telephone booths has a rise of 45 feet for every 90 feet in horizontal distance. Find the grade of the ramp. Round to the nearest whole percent.
A. 0.5%
B. 20%
C. 50%
D. 55%
Answer: C
Mathematics
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Evaluate. Simplify if possible.
- 
A. 
B. 
C. 
D. 
Mathematics
Graph the function. Specify the intervals over which the function is increasing and the intervals where it is decreasing.y = - 
A. Decreasing -? < x < 0 and 0 < x < ?
B. Increasing -? < x < 0 and 0 < x < ?
C. Decreasing -? < x < 0
Increasing 0 < x < ?
D. Increasing -? < x < 0
Decreasing 0 < x < ?
Mathematics
Multiply.0.20 × 1000
A. 200 B. 2000 C. 20 D. 0.20
Mathematics
Solve the given equation for the indicated variable.I = 
for n
A. n = 
B. n = IR(Ir - E)
C. n = 
D. n = 
Mathematics