If a train traveled 2,144 miles in 8 hours how many miles does it travel in 1 hour

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

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

Adeposit of 5500 at 6% for 3 years equals