Solve.A Pyrex glass sphere is made to hold liquids in a science lab. The radius of the sphere is 12 centimeters. Find the surface area of the sphere. (Use ? = 3.14 as the approximate value.)
A. 602.9 cm2
B. 1808.6 cm2
C. 7234.6 cm2
D. 452.16 cm2
Answer: B
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Provide an appropriate response.James ordered 130 individual party items. When the shipping bill was examined, he estimated 28% of the shipment was back ordered. How many items, to the nearest item, were back ordered?
A. 36 B. 94 C. 35 D. 37
Find the standard equation of the circle that satisfies the conditions.Center (8, 3), radius 11
A. (x + 3)2 + (y + 8)2 = 11 B. (x + 8)2 + (y + 3)2 = 121 C. (x - 3)2 + (y - 8)2 = 11 D. (x - 8)2 + (y - 3)2 = 121
Solve the problem.A boat moves 7 kilometers upstream in the same amount of time it moves 20 kilometers downstream. If the rate of the current is 5 kilometers per hour, find the rate of the boat in still water.
A. 5 km/hr
B. 2
km/hr
C. 10
km/hr
D. 10
km/hr
Find the intercepts of the function f(x).f(x) = (x + 3)(x - 5)(x + 5)
A. x-intercepts: -3, -5, 5; y-intercept: -75 B. x-intercepts: -3, -5, 5; y-intercept: 75 C. x-intercepts: -5, 5, 3; y-intercept: -75 D. x-intercepts: -5, 5, 3; y-intercept: 75