Part A A what is the midpoint of A(2,3) and B(-2,5)?
1. (0.4)
2.(4,1)
3.(-2,7)
4.(2,4)

part b
A. 50
B. 5/2
C.2/5
D. 15

i took a picture of C as you can see can you guys help me
out please

Divide: 1573 ÷ 7 = a) 222 r5 b) 223 r6 c) 224 r5 d) 224 r3

17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.

Fast! find the length of cu. the triangles are similar. show your work.