A circle has a center at (1,-1) and passes through (-4,4). Determine the radius of the circle.

How do you solve a question like this?

Which compound inequality could be represented by the graph?

Find the 6th term of the expansion of (2p - 3q)11. a. -7,185,024p4q7 c. -7,185p4q7 b. -7,185,024p6q5 d. -7,185p6q5 select the best answer from the choices provided a b c d