Christine is saving money to buy a game. So far she has saved $20, which is four-fifths of the total cost of the game. How much does the game cost?

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

The difference between tax advoidance and tax evasion

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?