Four ninths of a number c increased by 4 is 18 less than one eighth times another number d. solve for c. a. c=9/32 d 31 1/2 b. c=4/72 d 4/72 c. c=9/32 d - 49 1/2 d. c=4/72 d - 31 1/2 i would like to see how the answer was reached, not just the answer.

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.