Evaluate the integral.
A. -7
B. 7
C. 12
D. 2
Answer: D
Mathematics
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Find an equation for the line tangent to the curve at the point defined by the given value of t.x = t + cos t, y = 2 - sin t, t = 
A. y = -
x - 
? + 2
B. y = -
x + 
C. y = 
x - 
?
D. y = -
x + 
? + 3
Mathematics
Decide whether the expression is or is not an identity.cot2 
= 
A. Identity B. Not an identity
Mathematics
Complete the ordered pair for the equation.y = -x - 8(-2, )
A. (-2, -4) B. (-2, 6) C. (-2, -6) D. (-2, 4)
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Solve the problem.The recipe for a chocolate chip cake calls for 
pound of chocolate chips. If a bakery wants to make 20 cakes, how many pounds of chocolate chips will they need?
A. 20 pounds B. 5 pounds C. 16 pounds D. 4 pounds
Mathematics