A scientist collected two sample sets of snowfall data. which statistic should he use to compare the spread of the two sets of data? a) median b) mode c) mean d) standard deviation

A number cube with faces labeled from 1 to 6 was rolled 20 times. Each time the number cube was rolled, the number showing on the top face was recorded. The table shows the results.

The percent increase from 8 to 14 equal to the percent decrease from 35 to x. what is the value of x

What will be the account balance after 20 years?

What is the least common multiple of 4 and 10?

Julia went to the movies and bought one jumbo popcorn and two chocolate chip cookies for $5.00. Marvin went to the same movie and bought one jumbo popcorn and four chocolate chip cookies for $6.00. How much does one chocolate chip cookie cost? A $0.

What is the answer to: 2 (4z-1) = 3 (z+2)

Raj paid $5.04 for 6 cookies. Heath paid $4.00 for 5 cookies. Which of the following statements is true? A.) raj paid more per cookie B.) heath paid more per cookie C.) they paid the same amount per cookie

How do you solve equations of the form ax=b

Teresa graphs the following 33 equations: y=2x, y=x2+2, and y=2x^2. She says that the graph of y=2^x will eventually surpass both of the other graphs. Is Teresa correct? Why or why not?

What number can you multiply by 2 to get 256