In the summer, you charge people $10 for going to their house to mow lawns, then $6 for every hour you mow. if you make $34 one day, how many hours did you spend mowing?

Find the solution(s) to x^2-14+49=0

How many quarts of a 50% solution of acid must be added to 20 quarts of a 20% solution of acid in order to get a 40% solution of acid?

Given a binomial distribution variable with n=20 and p=0.60 find the following possibilities using the binomial table a) p(x < 13) b) p x > 15) c) p(x = 17) d) p(11 < x < 14) e) p(11 < x < 14)