X+y=4
x-y=-6
x-y=7
x+y=1
x and y equal what on both equations
these both are elimination using addition and subtraction.

Acompany is testing in comparing to lightbulb designs the box plot shows the number of hours that each lightbulb design last before burning out which statement is best supported by the information of the plot

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

Use circumcenter theorem to solve for the given values