Solve for R.

3/4r-3 1/4=49/16

If you answer 2+2 you will get over 80 points

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

Is there a direction u in which the rate of change of f(x,y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.