book Maths Puzzle Numerical Ability

what is sqrt36a^2

show work

Read Solution (Total 0)

book Other Question

I need to find out (for economics) how to graph the following:
Px = (400/3) + (1/3)Qs
This is for supply and demand. Isn't it true that to graph you set p=0 then solve for q? And
sole the following word problem by using the system linear equation in two variables:

one number is 3 more than the second number. twice the first is 9 less than 3 times the second