I need help with this please? 2. A parent-teacher committee consisting of 4 people is to be formed from 20 parents and 5 teachers. Find the probability that the committee will consist of these people:
a. All teachers
b. 2 teachers and 2 parents
c. All parents
d. 1 teacher and 3 parents

What is the length of an with endpoints a 3,2 and b 8,14

Ascatterplot is produced to compare the size of a school building to the number of students at that school who play an instrument. there are 12 data points, each representing a different school. the points are widely dispersed on the scatterplot without a pattern of grouping. which statement could be true

The triangles in the diagram are congruent. if mzf = 40°, mza = 80°, and mzg = 60°, what is mzb?