A carnival costs $8.50 for enter plus and additional $4.50 per ticket for rides and food. Write and expression to find the total cost for a day at the carnival for x number of tickets

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

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?