Carla earn 322 points out of a 340 grade points in her environmental science course rounded up what was her percentage of points earned

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard deviation 161 grams. what is the probability that a randomly selected broiler weighs more than 1,425 grams?