in figura alăturată este reprezentat un teren de forma de trapez dreptunghic ABCD cu AD cu AB și AB //BC. Semidreapta BD este bisectoarea unghiului ABC, AB=160m și CD=100m. Aria trapezului este :a 8000m la a doua .b.10400 m la a doua. c.13000m la a doua .d.16000 m la a doua va rog este importanta​

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angles. measure need asap

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?

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.