the radian measure of the green central angle (on page 3) is 1. what is the length of the arc intercepted by the angle?

If (a, b) is the solution to the system of equations shown above, and a and b are integers, then what is the value of a+b?

The car wash owner uses the equation y=x+44 to model the data, where x represents the number of days the business has been open and y represents the number of cars washed.

It's 90 °f in the shop with high humidity. what pressure will be shown on the high-side pressure gauge (ac system on)?             a.  10 to 50 psi    b.  40 to 140 psi  c.  210 to 290 psi  d.  at least 350 psi