It has been said that newspaper are disappearing, replaced by various electronic media. in 2001, newspapers circulation (number of copies distributed in a day) was about 63 million. in 2009, this circulation dropped 45 million

£56

step-by-step explanation:

u divide 24 by 3 and u get 8 so if u do 8 time 7 or 8+8+8+8+8+8+8 u get 56 and 56 divided by 7 is 8.

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.

45

step-by-step explanation:

m∠a is 90°

m∠b is 40°