Solve each proportion. Your answer may be a decimal. 9 1: 16 12 x=
7 18 2+1 X=
2. 11 10 17 3. 15 22 2 X=
2-12 6 4. 19 2.2 - 2 x=

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?