Answer:
130 minutes total and 2 hours and 10 minutes
Step-by-step explanation:
Its correct
You would set it up like this: 150x + 280 = 255x The you just solve.
1.3+-2.4= -1.1 hope I helped :)
a. is <u><em>Substitution Property</em></u>
b. might be <u><em>definition of supplementary angles</em></u>
D = sqrt((0-18)^2 + (-5--10)^2)
D= sqrt ((-18)^2 + (5)^2)
D= sqrt( 324 + 25)
D= sqrt ( 349)
D = 18.7