Solve the system of equations by elimination, if a solution exists.
A. x = -3, y = -3
B. No solution
C. x = -2, y = -3
D. x = -2, y = -4
Answer: D
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Choose the equation that matches the graph.
A. 
- 
= 1
B. 
- 
= 1
C. 
+ 
= 1
D. 
- 
= 1
Expand the number to its natural form.5.8 × 10-2
A. 580 B. 0.0058 C. 0.58 D. 0.058
Use scientific notation to solve the problem.A light-year is the distance that light travels in one year. Find the number of miles in a light-year if light travels 1.86 x 105 miles per second.
A. 6.0 x 1014 miles B. 6.0 x 1012 miles C. 6.0 x 105 miles D. 6.0 x 107 miles
Solve the problem.A package of relief supplies is dropped and moves according to the parametric equations 
and y = -4.9t2, where distances are in meters and time is in seconds. Find the magnitude and direction of the acceleration when 
A. -9.8 m/s2, 270° B. -9.8 m/s2, 90° C. 9.8 m/s2, 90° D. 9.8 m/s2, 270°