What is the upper quartile of the box plot graph?

( explain in detail. i can't remember for the life of me how to do this)

a. 90
b. 80
c. 100
d. 110

What is the measure of angle afe? 79 81 91 99

Aplot of land is shaped like a quadrilateral. fences are built on the diagonal to divide the area into 4 sections. what is vi to the nearest tenth? gv = 6.55fv = 5.84vh = 3.27vi = ?

The suare root of 9x plus 7 plus the square rot of 2x equall to 7