list the integers that satisfy both these inequalities 2x+9 0 x > -12 put the answer on the first line

What are the soultion(s) to the quadratic equation 40- x^2=0

Which expression is equivalent to sq-80

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.