Kevin and Randy Muise have a jar containing 76 coins, all of which are either quarters or nickels. The total value of the coins in the jar is $12.20. How many of each type of coin do they have?

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

Can someone me do math because i am having a breakdown rn because i don’t get it

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared