In the middle school debate club, 30% of the members are in sixth grade. If there are 12 sixth graders in the debate club, how many total members are there? HELPP!

For the given quadratic equation convert into vertex form, find the vertex and find the value for x=6 y=-2x^2+2x+2

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32