What is the value of y in the triangle?

Which function families have maximums and minimums? 1.)linear absolute value functions and exponential functions 2.) linear absolute value functions and quadratic functions 3.) linear absolute value functions and linear functions 4.) linear absolute value functions and constant functions

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

The suare root of 9x plus 7 plus the square rot of 2x equall to 7