Реши задачу: в мастерской сшили 6 простыней, расходуя на каждую по2м 20см полотна, и8 наволочек, расходуя на каждую по 1 м 25см полотна сколько всего простыней и наволочек

In the given figure ar(adf) =ar(cda) and ar(cdf) = ar(cdf). show that abdc and cdfe are trapeziums.

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.

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.