The radius of earth is 6,378.1 km, which is 326.1 km greater than the radius of venus.
find the radius of venus.
i am so

John bought 5 lemons and used 2 of them for a salad how much did he use for. a salad . he used % of the lemons.

Mr. jones determined that the equation y = 98 - 16/5 x could be used to predict his students' unit test scores, based on the number of days, x, a student was absent during the unit. what was the meaning of the y-intercept of the function? (by the way the 16/5 is a )

The length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?