210 books were sold at a friends of the library. 122 fiction books were sold, 28 of which were hardcover. 88 non fiction books were sold, 36 of which were paperback

Given that abcd is a rhombus, what is the value of x?

Acoffee shop orders at most $3,500 worth of coffee and tea. the shop needs to make a profit of at least $1,900 on the order. the possible combinations of coffee and tea for this order are given by this system of inequalities, where c = pounds of coffee and t = pounds of tea: 6c + 13t ≤ 3,500 3.50c + 4t ≥ 1,900 which graph's shaded region represents the possible combinations of coffee and tea for this order?

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6