book
Maths Puzzle
Numerical Ability
Please extract the square roots from the following problems, thank you.
1. 3(x+4)^2-54=0
2. 81x^2=16
Complete the Square:
1. -9x=5x^2-1
Read Solution (Total 0)
book Other Question
Theo made an elaborate code to remember the 10-digit combination to his bicycle lock. This is the code he came up with:
A-K-B-J-C-H-D-G-E-F
Each let
{2w+5y=-24
{3w-5y=14 please help me with this problem