Use sum-to-product identities to rewrite the expression as a product.cos 61° + cos 35°
A. 2 sin 48° cos 13°
B. -2 sin 48° sin 13°
C. 2 cos 48° cos 13°
D. 2 cos 48° sin 13°
Answer: C
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Solve the problem.Ellen is knitting a scarf with one 1
-inch blue stripe, one 
green stripe, and one 
white stripe. How wide is the scarf?
A. 
in.
B. 2
in.
C. 
in.
D. 8
in.
Solve the problem.If Thursday is your starting day, what day will it be 2 years, 24 days from Thursday? (Assume no leap years.)
A. Thursday B. Friday C. Wednesday D. Tuesday
Add or subtract. Simplify radicals where necessary.
+ 
+ 
+ 
A. 
+ 
+ 7
B. 157
+ 7
C. 17
+ 7
D. 17
+ 
+ 
Solve for the amount of discount and amount due.Invoice amt: $1,515Invoice date: Nov 27Terms: 3/15, n/40Goods returned: $83Date paid: Dec 12
A. Amount of discount: $45.45; amount due: $1,552.55 B. Amount of discount: $42.96; amount due: $1,389.04 C. Amount of discount: $45.45; amount due: $1,386.55 D. Amount of discount: $0; amount due: $1,432.00