What is the sum for m=0.56-0.25 and n=0.20-0.03

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points

You are saving to buy a bicycle; so far you save 55.00. the bicycle costs 199.00. you earn 9.00 per hour at your job. which inequality represents the possible number of h hours you need to work to buy the bicycle?