(2) The cost of a car service is partly constant and party varies with the time it takes to do the work it
costs $3500 for a 5 and half hour service and $2900 for 4 hour service, a)find the formula connecting
cost,$c with time, T hours. (b) Hence, find the cost of a 7 and half hour service.

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Select the quadratic that has root x = 8 and x = -5