If the mean of a normal distribution is 18, what is the median of the distribution?

a) 22

b) 26

c) 14

d) 18

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Which graph represents the equation y =4x

Mario is constructing a frame for 10 in. by 8 in. photo. he wants the frame to be the same with all the way around in the same area of the frame and photo to be 120 square inches what is the dimension of the frame?