7. Mark collects baseball cards. He has 6 old-time cards for every 12 current cards. He has a total of 72 cards. Using any ratio notation, write the ratio of
the number of current cards to the number of old-time cards.
PLEASE HELP

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Prove that quadrilateral is a rhombus.

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer