84=7(6+a) and -84= -6 (p + 6)
solving equations distribute once.
got them wrong so if you could show your work with this it will be greatly appreciated!

X+ y = 5 ; x - y =3 solve using linear combination

Julie begins counting backwards from 1000 by 2’s and at the same time tony begins counting forward from 100 by 3’s.   if they count at the same rate, what number will they say at the same time?

The seventh-grade students at charleston middle school are choosing one girl and one boy for student council. their choices for girls are michaela (m), candice (c), and raven (r), and for boys, neil (n), barney (b), and ted (t). the sample space for the combined selection is represented in the table. complete the table and the sentence beneath it.