Solve the problem by combining like terms.Find the perimeter of a triangle whose sides are of lengths 2x, 
and x.
A. -5x
B. 5x - 9
C. 4x - 9
D. 4x2 - 18x
Answer: B
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Draw a unit circle centered at the origin and sketch?A = 150°. Label as P where the side of A, not on the x-axis, intersects the unit circle. Find and label the coordinates of P on the unit circle.
What will be an ideal response?
Determine the terms and degree of the polynomial.-5x2 + x + 4
A. Terms: 5x2, x, 4; degree: 2 B. Terms: -5x2, -x, 4; degree: 3 C. Terms: 5x2, x, 4; degree: 4 D. Terms: -5x2, x, 4; degree: 2
Solve.The number of dogs licensed in a particular city this year is 1223. This is a 2% increase over last year. How many dog licenses were on record last year? Round to the nearest whole number.
A. 612 licenses B. 1221 licenses C. 1019 licenses D. 1199 licenses
Identify the independent and dependent variables.y = 3x2 + 6x - 2
A. independent: y, dependent: x B. independent: 3, 6, and -2, dependent: x and y C. independent: x, dependent: y D. independent: x and y, dependent: 3, 6, and -2