Use the Instructional Algorithm for addition or subtraction to perform the operation.719 - 493
A. 226
B. 1212
C. 220
D. 126
Answer: A
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Solve the problem.Marcus is planting a section of garden with tomatoes and cucumbers. The available area of the section is 110 square feet. He wants the area planted with tomatoes to be more than 
of the area planted with cucumbers. Write a system of inequalities to describe the situation. Let 
to be planted in tomatoes and 
to be planted in cucumbers.
A. x + y ? 110 x > 40y x ? 0 y ? 0 B. x + y = 110 x ? 0.40y x ? 0 y ? 0 C. x + y ? 110 x < 0.40y x ? 0 y ? 0 D. x + y ? 110 x > 0.40y x ? 0 y ? 0
Solve the system of equations.
A. (-5, -4, -1) B. (-1, -4, -5) C. (-5, -1, -4) D. No solution
Find a rectangular equation for the plane curve defined by the parametric equations.x = 2t, y = t + 1; -2 ? t ? 3
A. y = -2x + 1; for x in -? < x < ?
B. y = 
x - 1; for x in -? < x < ?
C. y = x2 + 1; for x in -2 ? x ? 2
D. y = 
x + 1; for x in -4 ? x ? 6
Use the vertical line test to determine if the graph is a function.
A. Yes B. No