Find the rate of change. Use appropriate units.
Number of Hours Spent Traveling
A. 0.2 miles per hour
B. 0.4 miles per hour
C. 2.6 miles per hour
D. 4.6 miles per hour
Answer: D
Mathematics
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Match the equation with the surface it defines.
+ 
= 
A. Figure 4 B. Figure 3 C. Figure 2 D. Figure 1
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Solve the problem.In the formula N = Iekt, N is the number of items in terms of an initial population I at a given time t and k is a growth constant equal to the percent of growth per unit time. How long will it take for the population of a certain country to double if its annual growth rate is 0.5%? Round to the nearest year.
A. 400 yr B. 1 yr C. 139 yr D. 60 yr
Mathematics
Rationalize the denominator.
A. 
B. 57
C. 
D. 57
Mathematics
Solve the linear equation algebraically.-8b + 8 + 6b = -3b + 13
A. 5 B. 13 C. -13 D. -8
Mathematics