Solve the problem.Write an expression for the area of the shaded region and express it in factored form.
A. 6(x + y)2
B. x2 + 12xy + 36y2
C. (x + 6y)2
D. x2 + 6xy + 36y2
Answer: C
Mathematics
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Use the basic identities to simplify the expression.(tan ? - sec ?)(tan ? + sec ?)
A. 0 B. -1 C. 1 D. tan2 ? + sec2 ?
Mathematics
Use I = Prt for simple interest to find the indicated quantity.P = $3000; t = 90 days; I = $105. Find r. (Use 360 days in a year.)
A. 3.5% B. 14.0% C. 9.7% D. 14.2%
Mathematics
Solve.
= 
A. 35.6 B. 5.8 C. 7.25 D. 0.34
Mathematics
Solve the problem.A sum of money amounting to $4.50 consists of dimes and quarters. If there are 30 coins in all, how many are quarters?
A. 22 quarters B. 10 quarters C. 15 quarters D. 20 quarters
Mathematics