A, b and c are three variables. a is proportional to b^2
a is also proportional to vc
b= 4.5 when c = 2.25
Find b when c= 8
Give your answer correct to 3 significant figures.

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant. given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.