A macaroni and cheese dish had 250 g of macaroni and 45 g of cheese. What percent of the dish was cheese?

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236

Oliver had $50 on the day before his birthday. after he recived some money for his birthday , he had $75. write and solve eqaution to find how much money oliver received for his birthday. x+50=75