Which is the definition of a sphere?

[imagine math]

How do you know whether a square root is positive or negative?

A president and vice president will be selected from among 35 members of a board. Should permutations or combinations be used when determining the number of possible ways these offices can be filled?

Factor completely 5x2 - 40. 5 (x + 8) (x - 8) 5 (x2 - 8) 5 (x + 8) (x - 5 Prime

Pierre is rowing his kayak on a lake. He moves miles in 18 minutes. At this rate, how far would he move in 30 minutes?

Describe how the graph of y=|x| and y = |x+2| are related

How do solve y=5x-8 y=-6x+3 by elimination

What's the simplified form of 2x + 3 - x + 5? A. 3x + 8 B. x + 8 C. x - 8 D. x - 2

How to better my logic skills?

Which shape is a four sided figure with only one pair of parallel sides

Jordy walked 1/3 mile in 15 minutes walking at this same pace how far would he get in an hour