Specify the center and radius of the circle.x2 + y2 - 18x + 4y + 76 = 0
A. center: (-2, 9); radius: 3
B. center: (9, -2); radius: 3
C. center: (2, -9); radius: 9
D. center: (-9, 2); radius: 9
Answer: B
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Use the position equation 
, where 
represents the height of an object (in feet), 
style="vertical-align:middle;" /> represents the initial velocity of the object (in feet per second), 
represents the initial height of the object (in feet), and t represents the time (in seconds).
A projectile is fired straight upward from ground level 
with an initial velocity of 176 feet per second. At what instant will it be back at ground level?
?
A. 
Sec
B. 
Sec
C. 
Sec
D. 
Sec
E. 
Sec
Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(1) = 5, u '(1) = -7, v(1) = 6, v '(1) = -3.
at x = 1
A. 
B. - 
C. - 
D. 
Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 29,400,000,000,000 B. 600,000 C. 29,400,000 D. 600,000,000,000
Find the total outside surface area and volume of the following solid object. If necessary, round to the nearest whole number unless otherwise directed. (Assume that the base is regular.)
A. T = 1771 ft2, V = 2252 ft3 B. T = 1771 ft2, V = 2503 ft3 C. T = 1261 ft2, V = 2503 ft3 D. T = 1261 ft2, V = 2252 ft3