За 7 кг груш заплатили 525 руб. сколько рублей следует заплатить за 4,6 кг груш?

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.