Find the perimeter.The city plans to frame the local playground with redwood lumber. How many feet of lumber will the city need?
A. 32,400 ft
B. 900 ft
C. 1080 ft
D. 915 ft
Answer: B
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The following table shows the running speed, in centimeters per second, of ants as a function of temperature, in degrees Celsius.
25.627.530.330.433.8
2.623.033.553.564.32?
A. Calculate the average rate of change in running speed from 30.4 inches to 33.8 inches.B. Explain in practical terms the meaning of the number you calculated in part A.C. Use the average rate of change to estimate the running speed of ants when the temperature is 35.24 degrees Celsius.
What will be an ideal response?
Find the focus and directrix of the parabola.- 
x2 = y
A. (0, -6); y = 6 B. (-12, 0); x = 6 C. (0, 6); y = -6 D. (0, -6); y = -6
Answer the question.f(x) = 
Is f continuous at x = 4?
A. Yes B. No
Perform the indicated operation. Simplify your answers. 
- 
A. 
B. 
C. 
D. 