How would I graph the slope expression y=mx+b (y=-63/1+1500?

Erik buys 2.5 pounds of cashews. if each pound of cashews costs $7.70, how much will he pay for the cashews?

Write as a product: ac^2–ad+c^3–cd–bc^2+bd

The mean average cost of standard room per night at a hostel is ? 20.60. therefore, how much does a standard room cost per night at night-time rest days?