Simplify the expression.(-15)0 + (-5)0
A. -2
B. 2
C. -20
D. 0
Answer: B
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Solve the problem.Find the volume that remains after a hole of radius 1 is bored through the center of a solid sphere of radius 3. Round to the nearest tenth.
A. 30.2 B. 284.3 C. 23.7 D. 94.8
Solve the problem.Brandy's Gift House pays employees for each gift they gift wrap. Assume they are paid as follows:1-10 gifts$3.00 each11-15 gifts$3.75 each16 or more gifts$4.50 eachIf Lee wraps 13 gifts, what are her gross earnings?
A. $43.50 B. $41.25 C. $48.75 D. $39.00
Complete the square and write the equation in standard form. Then give the center and radius of the circle and graph the equation.x2 + y2 - 4x - 4y - 8 = 0
A. (x - 2)2 + (y + 2)2 = 16
center (2, -2), r = 4
B. (x + 2)2 + (y - 2)2 = 16
center (-2, 2), r = 4
C. (x - 2)2 + (y - 2)2 = 16
center (2, 2), r = 4
D. (x + 2)2 + (y + 2)2 = 16
center (-2, -2), r = 4
Give the equation of the function whose graph is described.The graph of y = x2 is shifted 2 units to the right. This graph is then vertically stretched by a factor of 6 and reflected across the x-axis. Finally, the graph is shifted 7 units upward.
A. y = -6(x + 2)2 + 7 B. y = -6(x - 2)2 - 7 C. y = -6(x + 7)2 + 2 D. y = -6(x - 2)2 + 7