If z
is a standard normal random variable, the area between
z
=
−
2.80
and
z
=
−
1.40
is the area between
z
=
1.40
and
z
=
2.80
.

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3

You buy 4 items that cost 2.69 14.45 8.05 13.95 what is the estimated total round to the nearest dollar