Write an expression for this problem
operations
problem andaluate the expression using me urder of

9. Emily has $42. She buys 6 packs of baseball
display book for $8. How much does Emily have left?

10. Ethan’s son is having his birthda y at the movie theater. He invites 9
friends to his party. He buys one ticket for himself at $7.50. 10 movie tickets
for his son and his friends for $5.50 each, 5 large popcorns at $6 each, 2 boxes
of candy at $2 each, and 10 small drinks at $3.50 each. How much did Ethan's
dad spend in all, and how much did he spend per child?
Evaluate each expression

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?

If your score on your next statistics test is converted to a z score, which of these z scores would you prefer: minus2.00, minus1.00, 0, 1.00, 2.00? why? a. the z score of 2.00 is most preferable because it is 2.00 standard deviations above the mean and would correspond to the highest of the five different possible test scores. b. the z score of 0 is most preferable because it corresponds to a test score equal to the mean. c. the z score of minus2.00 is most preferable because it is 2.00 standard deviations below the mean and would correspond to the highest of the five different possible test scores. d. the z score of minus1.00 is most preferable because it is 1.00 standard deviation below the mean and would correspond to an above average