Find the area of a circle with a radius of 9 yards. Round to the nearest tenth if necessary. Use 3.14 for tt.
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Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be bale to prepare using the sauce?

Find the distance from the theater to the library. leave your answer in simplest radical form if necessary. 12 √12 74 √74

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b