A drawer contains 41 pairs of socks ; 13 grey , 5 black , 3 brown 18 white and 2 navy blue . Calculate the probabilities of :- a) A pair of black socks
b) 2 pairs of socks - one brown and one white
c) picking out 2 pairs of navy blue socks.​

Evaluate the expression. (9 + 5)(3 + 2)0

Thanh and her crew are building a stage in the shape of a trapezoid for an upcoming festival. the lengths of the parallel sides of the trapezoid are 14 ft and 24 ft. the height of the trapezoid is 12 ft.what is the area of the stage? enter your answer in the box. ft²

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236