Try to solve this

1.)3u+z=15
u+2z=10

2.)2a+2x=18
a+3x=17

What is an alternate exterior angle

Which equation represents the function on the graph?

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250