Graph the inequality on the number line.x > -6

A.

B.

C.

D.


Answer: D

Mathematics

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Solve the equation.x - x = 2

A. 30 B. -60 C. -30 D. 60

Mathematics

Solve the problem.A merchant has coffee worth $30 a pound that she wishes to mix with 40 pounds of coffee worth $90 a pound to get a mixture that can be sold for $40 a pound. How many pounds of the $30 coffee should be used?

A. 120 lb B. 240 lb C. 100 lb D. 200 lb

Mathematics

Solve the problem. Round to the nearest tenth, if necessary.If an object is propelled upward from a height of 80 feet at an initial velocity of 80 feet per second, then its height after t seconds is given by the equation , where h is in feet. After how many seconds will the object reach a height of 180 feet?

A. 2.5 sec B. 1.3 sec C. 5 sec D. 10 sec

Mathematics

Point P sweeps out central angle ? as it rotates on a circle of radius r. Find the angular velocity of point P. ? ? If the answer needs rounding, round it to three significant digits. ? __________ rad/sec

What will be an ideal response?

Mathematics