Astudy of several cities shows a positive correlation between the percent of people who swim outdoors and the number of barbecue grills sold.

which statement is most likely true?

a. the correlation is due to a third variable: cost of milk.
b. the correlation is due to a third variable: weather.
c. swimming makes people hungry for a barbecue.
d. barbecuing makes people want to swim.

What is the equation of the following graph in vertex form? parabolic function going down from the left through the point zero comma twelve and through the point two comma zero and turning at the point four comma negative four and going up through the point six comma zero and continuing towards infinity courtesy of texas instruments a: y = (x − 4)2 − 4 b: y = (x + 4)2 − 4 c: y = (x + 2)2 + 6 d: y = (x + 2)2 + 12

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is