Solve the problem.For the pair of similar triangles, find the value of a.
A. 21
B. 7
C. 10
D. 14
Answer: D
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Solve the problem.If an amount of money, called the principal, P, is deposited into an account that earns interest at a rate r, compounded annually, then in two years that investment will grow to an amount A, given by the formula 
If a principal amount of $4500 grows to $5445.00 in two years, what is the interest rate?
A. 10% B. 12% C. 8% D. 11%
Solve the problem.In the "Big Bucks" lottery game, a person is to pick 7 digits from 0 to 9 in correct order. If a number can be repeated, how many ways are there to play a pick?
A. 40,353,607 B. 100,000,000 C. 282,475,249 D. 10,000,000
Provide an appropriate response.The range of f(x) = 
, the greatest integer function, is 
.
A. {. . . , -4, -2, 0, 2, 4, . . .} B. [0, ?) C. (-?, ?) D. {. . . , -2, -1, 0, 1, 2, . . .}
Solve the equation.
= 0
A. {8, 0} B. {8, 0, -8} C. {0, -8} D. no real solution