Solve for the following equation: 1.30×104kg=? express your answer in integers

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?