Unghiurile AOB, BOC, COA sunt trei ungiuri congruente, in jurul punctului O, iar D este un punct in interiorul unghiului AOB astfel incat unghiul AOD=3 x BOD

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.