Solve.If the area of a square is given the expression 
what is the length of each side?
A. 2x + 3
B. 2x - 3
C. 2x - 9
D. 4x - 3
Answer: B
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Write a fraction in lowest terms that represents the portion of the figure that is shaded.
A. 
B. 
C. 
D. 
A triangle with vertices at (x1, y1), (x2, y2), and (x3, y3) has area equal to the absolute value of D, where 
. Use this information to solve the problem.Use D to find the area of the triangle with vertices at P, Q, and R. P(0, -5), Q(0, 0), R(5, -2)
A. 12
B. 
C. 25
D. 0
Solve the problem.A football team gained 26 yards on one play, lost 40 yards on another, and gained 37 yards on the last play of the first half. They had already gained 224 yards during the half. What was the total yardage gain for the first half?
A. 327 yd B. 247 yd C. 201 yd D. 287 yd
Use basic identities to simplify the expression.
A. sec2? B. cot2? C. 1 D. csc2?