Find the exact value under the given conditions.sin ? = 
, 0 < ? < 
; cos ? = 
, 0 < ? < 
Find cos (? + ?).
A. 
B. 
C. - 
D. 
Answer: D
Mathematics
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Translate the stated rule or relationship to a formula.The area of a circle, A, is equal to the product of ? and the square of the radius, r, of the circle.
A. A = ?r B. A = ?/r2 C. A = ? + r2 D. A = ?r2
Mathematics
Multiply the rational expressions.
? 
A. 
B. 
C. 
D. 
Mathematics
A 2-year subsidized student loan of $6,000 at an annual interest rate of 6.55% was borrowed by Jacob. Assuming that Jacob qualifies for an income-adjusted repayment plan of $205 per month, how many months will it take him to repay the loan?
a. 31.63 b. 31.79 c. 31.98 d. 28.98
Mathematics
Simplify by combining like terms.5x2 + 3xy - 9x2 + 14 + 3xy
A. -4x2 + 6xy + 14 B. 6x2 + 6xy + 14 C. -4x2 - 6xy + 14 D. 6x2 + 6xy - 14
Mathematics