Christopher rides his bike to and from school every day. Please answer in a fraction and make it easy for an elementary kid to understand

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

Find the midpoint m of z1=(8+5i) and z2=(12+3i)