1 11. What is the solution of
X 3 5
+
o 15
Sx<0
15
OX-2 or x>0
**-
o xs-12 or x>0

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

What is 20+(5 x 2/5 )+ 3 show your work

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?