What is the quotient (6×10 8)÷(1.5×10=4)

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

What’s 8y+48 and factor each expression completely

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.