Simplify the expression. Assume all variables represent positive real numbers.
+
- 
A. - 
B. 
C. 
D. 
Answer: C
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Perform the indicated operations and simplify the result. Leave the answer in factored form.
? 
A. 
B. 
C. 
D. 
Simplify.(9x3y)(3x5y6)
A. 27x15y6 B. 27x8y7 C. 27x8y6 D. 12x8y6
Use Euler's method to approximate the indicated function value to three decimal places using 
= 1 + y; y(0) = 2; find y(0.5)
A. 4.561 B. 3.832 C. 3.427 D. 3.864
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. There are currently 79 million cars in a certain country, increasing by 3.3% annually. How many years will it take for this country to have 96 million cars? Round to the nearest year.
A. 86 yr B. 5 yr C. 6 yr D. 4 yr