Solve the equation.
+ 7 = 15
A. 198
B. 17
C. 200
D. 72
Answer: D
Mathematics
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Solve. Round to two decimal places unless otherwise noted.If the average cost per unit C(x) to produce x units of plywood is given by 
what do 400 units cost?
A. $292.68 B. $299.98 C. $12,000.00 D. $60.00
Mathematics
Evaluate the expression.
A. 1 B. 0 C. -1 D. -6
Mathematics
Complete the identity.
= ?
A. 
B. tan 
x + tan 
x
C. 
D. 
Mathematics
An author bought a sports car for $35,000 and made a down payment of 15% of the purchase price. Find the amount financed.
A) $35,000 B) $29,750 C) $40,250 D) $5250 E) $33,500
Mathematics