Mirella bought some cat food for $2.00 per pound and some dog food for $2.50 per pound. She spent a total of $20.00. Which graph represents all the possible combinations of cat food, c, and dog food, d, Mirella could have bought?

Three coins are flipped. what is the probability that there will be at least two tails?

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.

Which expression is equal to (f+g)(x)?