Given right triangle A
B
C
ABC with altitude
B
D
‾
BD
drawn to hypotenuse
A
C
‾
AC
. If
B
D
=
3
BD=3 and
D
C
=
1
,
DC=1, what is the length of
A
C
‾
?
AC
?

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?