In her science fair project about the amount of water needed to dissolve 2 ml of a certain substance at room temperature, staci got an average value of 32 ml.

what should staci do for the best chance to reproduce that data again?

a: improve the experimental design
b: change it to include a control group
c: follow the same steps exactly
d: decrease the number of trials

Normal yağmur ile asit yağmuru arasındaki fark nedir

The area of a rectangle is 54x^9y^8 square yards. if the length of the rectangle is 6x^3y^4 yards, which expression represents the width of the rectangle in yards

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?