In a class of 40 students, everyone has either a pierced nose or a pierced ear. the professor asks everyone with a pierced nose to raise his or her hand. seven hands go up. then the professor asked everyone with a pierced ear to do likewise. this time there are 36 hands raised. how many students have piercings both on their ears and their noses?​

What is the perimeter of square abcd? units units 28 units 37 units

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

The description below represents function a and the table represents function b: function a the function is 5 more than 3 times x. function b x y −1 2 0 5 1 8 which statement is correct about the slope and y-intercept of the two functions? (1 point) their slopes are equal but y-intercepts are not equal. their slopes are not equal but y-intercepts are equal. both slopes and y intercepts are equal. neither slopes nor y-intercepts are equal.