What is mean by linear equations​

How many solutions does the nonlinear system of equations graphed below have?

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

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.