9. lawns luisa mows lawns during the summer. she charges s15 if she cuts the grass but charges $5 more if she also
trims the grass. last week she trimmed 5 more yards than she cut. if she made $415 last week, how many yards did
she trim?

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?