P is a point inside a rectangle ABCD, where PA = 3, PC = 7 and PD = 6. Find PB.

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9