Evaluate the Expressions 1)2+(-4)-10-10 2)7 · 2-6/-1 - -5 (fraction)
3) (4+5-4)(3+6)+3

Tom and maria typed in words in the ratio of 1 : 5 in 20 minutes. they typed 864 words altogether. find the number of words that each of them typed

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1

What is the answer to the question 5x+2x