Solve the problem. Use 3.14 for ?.A semicircular driveway has a diameter of 70 ft. How long is the driveway?
A. 107.9 ft
B. 219.8 ft
C. 109.9 ft
D. 816.7 ft
Answer: C
Mathematics
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Find the center and the radius of the circle.x2 + y2 - 10x + 8y = -25
A. (5, -3); r = 4 B. (5, -4); r = 4 C. (5, -4); r = 6 D. (8, -4); r = 4
Mathematics
Solve the problem.April shoots an arrow upward into the air at a speed of 64 feet per second from a platform that is 28 feet high. The height of the arrow is given by the function h(t) = -16t2 + 64t + 28, where t is the time is seconds. What is the maximum height of the arrow?
A. 24 ft B. 28 ft C. 64 ft D. 92 ft
Mathematics
If PQ ? QR and T is on PQ so that PQ ? TQ, then ?PQR ? ?TQR by
(a) ASA. (b) SSS. (c) HL. (d) LL (e) ?PQR and ?TQR are not necessarily congruent.
Mathematics
Add or subtract as indicated. Write the answer in simplest form.
- 
A. 
B. 
C. 
D. 
Mathematics