Cory’s average score after 8 tests is 91%. if he gets a 78% on his 9th test what will his new average be?

{0,1,2,3,4,5,6,20,21,22,23,24,25} the distribution is considered to be: skewed the right, skewed the left, not skewed?

Which of the following describes the symmetry of the graph of y = x3?

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years