Solve and, when appropriate, round the answer to the nearest tenth.The radius of a sphere depends on its surface area, S, and is given by the formula r = 
.What is the surface area of a sphere with radius of 9.1 inches?Use 3.14 for ?.
A. 260 square inches
B. 28.6 square inches
C. 1040.1 square inches
D. 114.3 square inches
Answer: C
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Perform all operations in correct order.240 ÷ 6 - 2
A. 60 B. 236 C. 232 D. 38
Solve.Toni needs to cut a 4
- foot board into 6 equal pieces. How long should each piece be?
A. 
ft
B. 
ft
C. 25
ft
D. 4 
ft
Find the center, transverse axis, vertices, foci, and asymptotes of the hyperbola.x2 - 4y2 + 6x - 8y + 1 = 0
A. center at (-1, -3)
transverse axis is parallel to x-axis
vertices at (-3, -3) and (1, -3)
foci at (-1 - 
, -3) and (-1 + 
, -3)
asymptotes of y + 3 = - 
(x + 1) and y + 3 = 
(x + 1)
B. center at (-3, -1)
transverse axis is parallel to x-axis
vertices at (-5, -1) and (-1, -1)
foci at (-3 - 
, -1) and (-3 + 
, -1)
asymptotes of y + 1 = - 
(x + 3) and y + 1 = 
(x + 3)
C. center at (-3, -1)
transverse axis is parallel to y-axis
vertices at (-3, -3) and (-3, 1)
foci at (-3, -1 - 
) and (-3, -1 + 
)
asymptotes of y - 1 = - 2(x - 3) and y - 1 = 2(x - 3)
D. center at (-3, -1)
transverse axis is parallel to x-axis
vertices at (-4, -1) and (-2, -1)
foci at (-3 - 
, -1) and (-3 + 
, -1)
asymptotes of y + 1 = - 2(x + 3) and y + 1 = 2(x + 3)
Find the trigonometric function value of angle ?. Use a calculator if necessary.cos ? = 
, with ? in quadrant IVFind sin ?.
A. - 
B. - 
C. - 
D. - 