The circumference of a circle varies directly as the diameter. a circle has a diameter of 70 feet and a circumference of 219.8 feet.

what is the circumference of a circle with a diameter of 17.5 feet?
a.
54.95 feet
b.
27.475 feet
c.
8.75 feet
d.
64.95 feet

Simone claims the initial value and y-intercept are the same thing on a graph. is she correct? if you know that a line has a slope of and a y-intercept of 7, what is the equation for that line in slope-intercept form?

Sweet t saved 20 percent of the total cost of the green-eyed fleas new album let there be fleas on earth. if the regular price is $30 how much did sweet save

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.