Answer:
I have no idea lol (what math is this-)
Step-by-step explanation:
uhh- my brain is telling me to add the x and y numbers row by row together, like 2+1, 3+2, 4+3, ect, but I am pretty sure that's completely wrong XD, sorry for not being able to help QVQb, hope you figure it out lol
x<−4
7x+6<-22
7x+6-6<-22-6
7x<-28
7x/7<-28/7
x<-4
Hope it helped!
c. 38
9
21^2-19^2=80
sqaure root of 80 to the nearest 10th is
A 97
Adds to 180 degrees. 83 + 97 = 180