At Open Skate Night, admission is $3.50 with a membership card and $6.00 without a membership card. Skate rentals are $2.00. Aidan paid the admission for himself and two friends at Open Skate Night. Aidan had a membership card, but his friends did not. Aidan paid with a $20 bill. How much change should Aidan receive?

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?