Graph the ellipse and locate the foci.4x2 + 9y2 = 36
A. foci at (
, 0) and (-
, 0)
B. foci at (
, 0) and (-
, 0)
C. foci at (2
, 0) and (-2
, 0)
D. foci at (0, 
) and (0, -
)
Answer: A
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Give the center and radius of the circle. Then sketch its graph.(x + 5)2 + (y - 4)2 = 16
A. center (- 5, - 4), r = 4
B. center (5, - 4), r = 4
C. center (5, 4), r = 4
D. center (- 5, 4), r = 4
Find the inventory values using (a) the weighted-average method, (b) the FIFO method, and (c) the LIFO method. Round final answers to the nearest dollar.PurchasesNow in InventoryBeginning inventory: 35 units at $6.08June: 45 units at $6.80August: 30 units at $7.2840 units
A. (a) $737 (b) $286 (c) $291 B. (a) $268 (b) $286 (c) $247 C. (a) $737 (b) $243 (c) $291 D. (a) $268 (b) $247 (c) $286
Solve the problem.The formula S = A
models the value of a retirement account, where 
number of dollars added to the retirement account each year, 
annual interest rate, and 
value of the retirement account after t years. If the interest rate is 7%, how much will the account be worth after 15 years if $800 is added each year? Round to
the nearest whole number. A. $2347 B. $35,316 C. $22,310 D. $12,800
Solve the equation algebraically. Verify your solution with a graphing utility.x3 + 6x2 + 16x + 96 = 0
A. {-4, 4, -6} B. {6} C. {4, 4, 6} D. {-6}