Given the system below, which points are solutions? (check all that apply) y > 4x - 7
[ 3x-y<2
a
(7,-2)
b
(2,5)
с
(4,3)
d
(0,0)

How many days was the temperature above 90 degrees?

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?