HELPP PLEASE DUE TOMMOROW PLEASE ANSWER QUESTION B

Ajar contains a mixture of 20 black marbles, 16 red marbles, and 4 white marbles, all the same size. find the probability of drawing a white or red marble on the first draw. 125 12 01 next question ask for turn it in

The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)