Ms. Harper estimates that 125 students will attend the school dance. There was an actual total of 148 students who attended the dance. Find the percent error. Round to the nearest whole percent.​

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

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.

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms