1. plumbing: aaa plumbing charges $60 per hour plus a $100 travel charge
for a service call. rooter plumbing charges $80 per hour and no travel fee.
how long must the service call be for each to charge the same amount?

Find |−5|. a. −5 b. 5 c. one-fifth d. –one-fifth !

Demonstrate the proof of your new polynomial identity through an algebraic proof and a numerical proof in an engaging way! make it so the whole world wants to purchase your polynomial identity and can't imagine living without it! you must: label and display your new polynomial identity prove that it is true through an algebraic proof, identifying each step demonstrate that your polynomial identity works on numerical relationships create your own using the columns below. see what happens when different binomials or trinomials are combined. square one factor from column a and add it to one factor from column b to develop your own identity. column a column b (x − y) (x2 + 2xy + y2) (x + y) (x2 − 2xy + y2) (y + x) (ax + b) (y − x) (cy + d)

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2