An athlete runs 90 laps in 6 hours. this is the same
as how many laps per minute?
(a) 1/15
(b) 1/9
(c) 1/4
(d) 1/2
(e) 1

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

What additional information could be used to prove abc =mqr using sas? check all that apply.

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?