Find the value of x that satisfies the equation.x + 1
= 2
A. x = 
B. x = 
C. x = 2
D. x = 3
Answer: A
Mathematics
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Find the exact value using a double-angle identity.cos 
A. 1
B. -1
C. 0
D. - 
Mathematics
Solve the problem.Jill would like to make a purchase at a clothing store. The charges for the items that she has selected are shown below. If she has $80, does she have enough? If not, then how much more does she need?
A. Yes B. No; $7.42 C. No; $6.21 D. No; $0.05
Mathematics
Solve.-4x - 2 = 5 + 5x
A. x = - 
B. x = 
C. x = 
D. x = - 
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.-
A. 2x12y18 B. 4x12y12 C. 2x12y12 D. -2x36y12
Mathematics