While in a car chase, a police car traveled at a speed of 140 km per hour. If the car chase lasted for 30 minutes, how many kilometers did the police car travel?

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

Acampus club held a bake sale as a fund raiser, selling coffee, muffins, and bacon and eggs sandwiches. the club members charged $1 for a cup of coffee, 3$ for a muffin , and $4 for a back. and egg sandwich. they sold a total of 55 items , easing $119. of the club members sold 5 more muffins than cups of coffee, how many bacon and egg sandwiches he’s did they sell