A teacher writes the following product on the board: (k^2-6)(k^2-5)= k^4-11k^2+30(k 2 −6)(k 2 −5)=k 4 −11k 2 +30

What situation is an example of an observational study

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

Jane has 5 nickels. john has 3 dimes. jane says she has a greater amount of money. with the information given, is she correct?