Can someone help me please ?

Name the most appropriate metric unit for each measurement like the mass of cow

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

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.