Find the probability.A die is rolled 18 times and two threes come up. Round to the nearest thousandth.
A. 0.160
B. 0.230
C. 0.099
D. 0.060
Answer: B
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Express the relationship between a small change in x and the corresponding change in y in the form 
.y = 
A. dy = 
dx
B. dy = 
dx
C. dy = 
dx
D. dy = 
dx
Calculate the y-intercept for the equation 3x + 2y = 10
What will be an ideal response?
Solve the problem.For its regular delivery service, a parcel service charges 
for the first 5 pounds plus $1.50 for each additional pound. Draw a linear graph that can be used to estimate the cost of parcels weighing 5 to 20 pounds. Use the horizontal axis for the weight and the vertical axis for the cost. Use the graph to estimate the weight of a parcel which costs 
A. About 19 lb B. About 27 lb C. About 14 lb D. About 24 lb
Decide whether or not the functions are inverses of each other.f(x) = 2x + 4, g(x) = 
x - 2
A. Yes B. No