Decide if the system of equations in two variables is linear or nonlinear.
A. Linear
B. Nonlinear
Answer: B
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Solve the problem.You are driving along a highway at a steady 81 ft/sec when you see a deer ahead and slam on the brakes. What constant deceleration is required to stop your car in 
A. 32.32 ft/sec2 B. 0.06 ft/sec2 C. 16.16 ft/sec2 D. 8.08 ft/sec2
Express the number in scientific notation.2500
A. 2.5 × 10-2 B. 2.5 × 10-3 C. 2.5 × 103 D. 2.5 × 102
Write the following as a sum using powers of 10 to show place value.472.8002
A. 4 ? 102 + 7 ? 101 + 2 ? 100 + 8 ? 10-1 + 0 ? 10-2 + 0 ? 10-3 + 2 ? 10-4 B. 4 ? 102 + 7 ? 101 + 2 ? 100 + 8 ? 100 + 0 ? 10-1 + 0 ? 10-2 + 2 ? 10-3 C. 4 ? 103 + 7 ? 102 + 2 ? 101 + 8 ? 100 + 0 ? 10-1 + 0 ? 10-2 + 2 ? 10-3 D. 4 ? 103 + 7 ? 102 + 2 ? 101 + 8 ? 10-1 + 0 ? 10-2 + 0 ? 10-3 + 2 ? 10-4
Provide an appropriate response.Find the perimeter of the trapezoid. 
A. 153.4 mm B. 122.8 mm C. 1,057.16 mm D. 1,455.2 mm