(HELP PLEASE ) Shauna is 10 inches shorter than Ryan. Together their heights total 11 feet 8 inches or 140 inches. How tall is each person? Let x represent:

Let y Represent:

Write the system of equations, solve, and check:
Equation #1:
Equation #2:

Shauna is inches tall
Ryan is inches tall

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?

If the car had not hit the fence, how much farther would it have skidded? solve the skid-distance formula to find the extra distance that the car would have traveled if it had not hit the fence. round your answer to two decimal places. note that unit conversion is built into the skid distance formula, so no unit conversions are needed.