Aplumber charges $47.50 per hour plus a $65.00 service charge. find the total charges if it taes the plumber 8 hours to complete the task.

How many different ways can you make change for $.50 using only nickels,dimes, and quarters?

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

Julie multiplies 6.27 by 7 and claims the product is 438.9 .explain without multiplying how you know juliesanswer is not correct.find the correct answer