The perimeter if a square is 60 feet, then find the length of the diagonal. if necessary, round to the nearest tenth. a). 21.2
b). 15
c). 450
d). 30​

Which of the symbols correctly relates the two numbers below check all that apply 6? 6

Solve 2x+y=3 x+y=5 in substitution method

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?