Solve the problem.Bathing suits are often on sale in July. The regular price of one suit is $18. With a 45% discount, what is the sale price of the suit?
A. $9.90
B. $8.10
C. $10.90
D. $8.90
Answer: A
Mathematics
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Use the range rule of thumb to approximate the standard deviation.The heights in feet of people who work in an office are as follows. Round results to the nearest tenth.5.9 5.7 5.5 5.4 5.6 5.9 5.8 6.2 6.0 5.9
A. 0.1 B. 1.2 C. 0.5 D. 0.2
Mathematics
Solve the given problem by using Laplace transforms.A 60-? resistor, a 2.0-?F capacitor, and a 40-V battery are connected in series. Find the charge on the capacitor as a function of time t if the initial charge is zero.
A. q = 0.000080
B. q = 0.000080
C. q = 80
D. q = 0.000080
Mathematics
Use the quadratic formula to solve the quadratic equation.x2 + x + 9 = 0
A. no real solution
B. 
C. 
D. 1 ± 
Mathematics
Evaluate the binomial coefficient.
A. 1 B. 28 C. 56 D. 336
Mathematics