Two classes were given identical quizzes. Class A had a mean score of 16 and a standard deviation of 0.4
Class B had a mean score of 15 and a standard deviation of 0.5
1) Which class scored better on average? (2 points)
2) Which class had a more consistent score (smaller range of scores)? (2
points)

Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.

Through non-collinear points there is exactly one plane.

Jane moves from a house with 71 square feet of closet space to an apartment with 45.44 square feet of closet space. what is the percentage decrease of jane’s closet space?