Susie is a fast-food worker that made 28 cheeseburgers in 4 hours. a couple of days later, she made 42 cheeseburgers at the same ratio. Write an equation that represents the situation. How many hours did it take her to make 42 cheeseburgers?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?

Given the numbers c = –3 and d = 4, which statement is true? a. |–c| = 3 and |–d| = –4 b. |–c| = 3 and –|d| = –4 c. –|c| = –4 and –|d| = 3 d. |–c| = 3 and –|d| = 4