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which system of equations does this graph represent?

linear graph and parabola. they intersect at negative 1, negative 5 and 2, negative 2

a. y = x2 − 6
y = −x − 4

b. y = x2 + 6
y = x + 4

c. y = x2 + 4
y = −x + 4

d. y = x2 − 6
y = x − 4

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?

Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?