Celia works in a candy shop. PLEASE HELP ASAP AND ONLY IF YOU KNOW CORRECT ANSWER!!! MUST DO IN SYSTEM OF EQUATIONS SUBSITUTION (No elimination method!)
A customer wants 3 pounds of
candy priced at $4 per pound mixed with 2 pounds of candy
priced at $3.50 per pound. Find the value of the mixture. How
much is the mixture worth per pound?

When only separate discreet points are graphed it is called?

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?