289=a^2 what is a equal to?

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

Point r divides in the ratio 1 : 3. if the x-coordinate of r is -1 and the x-coordinate of p is -3, what is the x-coordinate of q? a. b. 3 c. 5 d. 6 e. -9

Select the number of ways in which a line and a circle can intersect