Find the center and radius of the circle.x2 + 4x + y2 = 5
A. (0, -2); 2
B. (2, 0); 3
C. (0, 2); 2
D. (-2, 0); 3
Answer: D
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Solve.A 12-foot fence on the property line would cast a 20-foot shadow on the shortest day of the year, and the north side of the house is set back 50 feet from the property line. Find the maximum allowed height of the house.
A. 42 ft B. 35 ft C. 30 ft D. 49 ft
Solve.Multiply 97 by 6.
A. 582 B. 553 C. 542 D. 682
Given ?QRS and point T so that TQ ?QR, TS ? RS and TS = ST
(a) ?TRS? ?TRQ. (b) T is on the bisector of ?QRS. (c) RQ ? RS. (d) All of these are correct. (e) None of these is correct.
A call to Tucson from a pay phone in Chicago cost 85 cents for the first minute and 27 cents for each additional minute or portion of a minute. If a student has $9.00 in change, how long can she talk?
A. 42 min B. 30 min C. 34 min D. 31 min E. 38 min