Pls help i will mark brainiest for best answer

1a) 20+25+30+40+50+55+67+70+80+95+100 = 630

1b) 12

1c) 630 ÷ 12 = 52.5

the equivalent expression are always the hardest ones but you look at the gcf also

step-by-step explanation:

days of the week

step-by-step explanation:

javier earned more money then kyle, so that won't always be a constant term, but the days of the week do not change so that term is always constant.

edit: i meant