Let f (x) = 2x^2 + 3,9 (x) = x^2 - 4x + 2, and h (x) = -x^2 + 4x- 2 Select all of the expressions that are equivalent to 3x^2 + x - 1. answers:
f (x) + h (x)
f (x) - h (x)
g (x) + f (x)
g (x) - h (x)
h (x) - f (x)
f (x) + g (x)

Read the equations in the table below. then drag a description of the situation and a table to represent each equation. indicate whether each of the relationships is proportional or non-proportional.

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73