70
30
find the value of each variable.
x = 80; y = 100
x=80; y = 80
x = 100; y = 80
x = 100; y = 100

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4