Need help plsss give you brainliest pls help me it’s rounding money cents, dime and dollar

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.