Solve the problem.A wire 20 feet long is to be cut into two pieces. One piece will be shaped as a square and the other piece will be shaped as an equilateral triangle. Express the total area A enclosed by the pieces of wire as a function of the length x of a side of the equilateral triangle. What is the domain of A?
What will be an ideal response?
A(x) = 
x2 - 
x + 25; {x|0 ? x ? 
}
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Solve the problem.On the July 5 billing date, David had a balance due of $1086.77 on his credit card. The transactions during the following month were: 
The interest rate on the card is 1.4% per month. Using the average daily balance method, find the finance charge on August 5 (July has 31 days).
A. $13.61 B. $14.18 C. $14.33 D. $14.21
Factor, if possible.2a3 + 4a2 - 16a
A. 2a(a + 4)(a - 2) B. 2a(a - 4)(a + 2) C. 2a(a - 4)(a - 2) D. 2a(a + 4)(a + 2)
Solve the problem.If the formula R = -0.037t + 50.1 can be used to predict the world record in the 
eter dash 
after 1925, for what years will the world records be 48.5 seconds or less?
A. 1944 or after B. 1968 or after C. 1969 or after D. 1970 or after
List the intercepts for the graph of the equation.y = -3x
A. (-3, -3) B. (-3, 0) C. (0, -3) D. (0, 0)