Sophie and marcos are each saving for a new bicycles. so far sofia has $10 saved and can earn $5 per hour walking dogs. marcos has $4 saved and can earn $8 per hour at his family's plant nursery. let x be the number of hours walking dogs and let the total amount of money earned

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

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.

Alex's monthly take home pay is $2,500. what is the maximum bad debt payment he can maintain without being in credit overload?