Triangle q r s is shown with exterior angles. line r q extends through point d. line q r extends through point e. line q s extends through point c.
which angle has a measure equal to the sum of m∠sqr and m∠qrs?

∠rsc
∠sre
∠dqs
∠qsr

The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?