I have a parallelogram (possibly rhombus, however no markings indicating that) with 1 diagonal being 13 units and the other being 12. I have no other information and need to solve for its area

How can you tell when x and y are not directly proportional?

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?