Explain why a quadratic equation with a positive discriminant has two real solutions, a quadratic equation with a negative discriminant has no real solutions, and a quadratic equation with a discriminant of zero has one real solution.

b.an increase in a causes b to decrease

b

step-by-step explanation:

write an equation for the line of best fit. then predict the number of milk cow operations in the year 2005.

emily solved for a part when she should have solved for the whole. 875,000 should be the numerator of the equivalent ratio. 70 x 12,500 is 875,000. so the answer is 100 x 12,500 which is 1,250,000.