Marcus earns money from feeding cats and answering emails. he earns $7 a week for each cat he feeds and $0.20 for each email he answers. marcus answered 140 emails and earned $49 last week. part a: create an equation that will determine the number of cats he fed. (3 points) part b: solve this equation justifying each step with an algebraic property of equality. (6 points) part c: how many cats did marcus feed last week?

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.