Graph the ellipse.x2 + 
= 1
A. 
B. 
C. 
D. 
Answer: C
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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 $5248.80 in two years, what is the interest rate?
A. 8% B. 6% C. 9% D. 10%
Solve the problem.Find the amount of money in an account after 10 years if $2100 is deposited at 4% annual interest compounded annually.
A. $3120.49 B. $3108.51 C. $3130.75 D. $3126.61
Solve the problem.The diagonal of the floor of a rectangular office cubicle is 2 ft longer than the length of the cubicle and 5 ft longer than twice the width. Find the dimensions of the cubicle. Round to the nearest tenth, if necessary.
A. width = 4 ft, length = 11 ft B. width = 9.7 ft, length = 22.4 ft C. width = 2 ft, length = 9 ft D. width = 3.9 ft, length = 9.7 ft
Solve the inequality, then graph the solution.30x + 30 > 5(5x + 12)
A. (-?, 6)
B. (-?, 6]
C. (6, ?)
D. [6, ?)