Provide an appropriate response.Find the radian measure of an angle at the center of a circle of radius 7 in. if the angle intercepts an arc length of 20.4 in.
A. 21.99 rad
B. 0.34 rad
C. 142.8 rad
D. 2.91 rad
Answer: D
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Solve the problem.Lookout station B is located 12 mi due east of station A. The direction of a fire from A is 
and the direction from B is 
Determine the distance from the fire to B (to the nearest tenth of a mile).
A. 12.45 mi B. 14.45 mi C. 24.9 mi D. 26.9 mi
Find the vertex, focus, and directrix of the parabola.
 FIGURE 1.png)
Find 
for the function. Simplify your answer.
?
What will be an ideal response?
Solve the problem.To train for a race, Will begins by jogging 10 minutes one day per week. He increases his jogging time by 5 minutes each week. Write the general term of this arithmetic sequence, and find how many whole weeks it takes for him to reach a jogging time of one hour.
A. an = 5n + 5; 10 weeks B. an = 5n + 10; 11 weeks C. an = 5n + 5; 11 weeks D. an = 5n + 10; 10 weeks