Find the exact value of the expression.cos 
cos 
+ sin 
sin 
A. 1
B. 
C. 
D. 
Answer: C
Mathematics
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Decide whether the expression is or is not an identity.
= sin x
A. Not an identity B. Identity
Mathematics
Solve the problem.Find the long-range trend for the fraction of red, pink, and white tulips.RedPinkWhite
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The appliance store where the Jordans shop offers a 5% discount for paying cash. The Jordans received a discount of $47. What was their total bill before the discount? Round to the nearest dollar.
A. $200 B. $2 C. $940 D. $9
Mathematics
Multiply the polynomials using the FOIL method. Express the answer as a single polynomial in standard form.(2x + 11)(4x - 7)
A. 6x2 + 30x + 30 B. 6x2 + 30x - 77 C. 8x2 + 30x - 77 D. 8x2 + 30x + 30
Mathematics