Which planet is 10 times as far as earth is from the sun?

The sum of the product of 4 and x and the product of 7 and y is 61. the sum of the product of 12 and x and the product of 21 and y is 61. what are the values of x and y?

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds.then use the distributive property and mental math to evaluate the expression.