The following show a change of scale made by an archetict in one of his drawings . Which is the change in scale factor from the old scale to the new scale ?

Or a class trip a teacher brought 25 students tickets and 5 adult tickets: ~ write an expression for the total cost of tickets purchased ~if students tickets cost $4 each and adult tickets cost $6 each, how much money did the teacher spend on tickets?

Simon used a probability simulator to pull 3 colored marbles from a bag and flip a coin 50 times. the results are shown in the tables below color of marble number of times rolled blue 15 green 19 yellow 16 heads tails 26 24 using simon's simulation, what is the probability of pulling a blue marble and the coin landing tails up? 39/50 250/50 120/2500 360/2500 .

The formula m = 12,000 + 12,000rt 12t gives keri's monthly loan payment, where r is the annual interest rate and t is the length of the loan, in years. explain why the formula is a rational function for a given value of r. what if you are given t?