14. Joey is running an experiment with a mass on a spring. Joey models the lieight of the mass above the table he is working on using the equation h(t) = 6.85 cos(3.421)+9, where the height is in inchies and the time, 1, is in seconds since he let the mass free. How many seconds, to the nearest tenth, will it take for the mass to return to its original position?​

Select 2 statements that are true about the equation y+6=-10(x-3).1) the slope of the line is -102) the slope of the line is 33) one point on the line is (3,6)4) one point on the line is (3,-6)

The wheels of a bicycle have a diameter of 70cm. how many meters will the bicycle travel if each wheel makes 50 revolutions

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.