Choose the correct word form of 187.023 1 x 100 + 8 x 10 + 7 x 1 + 2 x 0.01 +3 x 0.001
one hundred eighty-seven. twenty-three thousandths
one hundred eighty-seven and twenty-three thousandths
one eight seven twenty-three thousandths

Mary spent a total of $323.14 for a party. she spent a total of $200.22 on food, plus an additional $30.73 for each hour of the party. how long was the party?

What is the answer to |-2x-5|-|-4+8| and x=7

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.