Assume that POPUT Sample size, n = 100: sample mean, x=84.0 cm: sample standard deviation, s = 5.0 cm cm. The margin of error is (Round to one decimal place as needed.) Find the 95% confidence interval. cn cm

Solve the equation x/4 - 5= -8 -27 -12 -7 12

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39

Jessa bought a yoyo from a company that claims that, with each retraction, the string rolls up by 60% of the original length. she sets up a tape measure and throws the yoyo 3 times. her data are charted below. throw length of string (feet) 1 3 2 1.8 3 1.08 jessa wants to find the sum of the length of string after 10 throws. what is the sum of the lengths, rounded to the nearest hundredth?