In its first month of operations, Weatherall Company made three purchases of merchandise in the following sequence: (1) 120 units at $5, (2) 460 units at $6, and (3) 100 units at $7. Collapse question part (a1) Calculate the average unit cost. (Round answer to 2 decimal places, e. g. 15.25.) Average unit cost

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

Out of the 150 students at a summer camp, 72 signed up for canoeing. there were 23 students who signed up for trekking, and 13 of those students also signed up for canoeing. use a two-way table to organize the information and answer the following question: approximately what percentage of students signed up for neither canoeing nor trekking?