Solve the problem.The regular price of a double roll of wallpaper is $26. During a May sale, wallpaper was discounted 20%. What was the sale price of a double roll of wallpaper?
A. $4.20
B. $5.20
C. $20.80
D. $19.80
Answer: C
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Solve by isolating the absolute value and using the absolute value property.
+ 5 = 13
A. {-3, 13} B. {3, -13} C. {3} D. ?
Answer each question appropriately.Find a curve y = f(x) with the following properties: i. 
= 5x ii. The graph passes through the point (0,1) and has a horizontal tangent at that point.
A. y = 
x3 + x + 1
B. y = 5x + 1
C. y = 
x3 + 1
D. y = 
x2 + 1
Simplify the expression.49 + (-50) - 8 - (-11) + (-30)
A. 10 B. -28 C. 32 D. -50
Determine the domain and range of the relation.{(8, 5), (-7, -1), (2, 6), (3, -9)}
A. Domain: {3, 2, -7, 8}; Range: {-9, 2, 6, -1, 5} B. Domain = {3, 2, -7, 8}; Range: {-9, -9, 6, -1, 5} C. Domain: {-9, 6, -1, 5}; Range: {3, 2, -7, 8} D. Domain: {3, 2, -7, 8}; Range: {-9, 6, -1, 5}