We can use the difference of two squares, which is:
x^2 + y^2 = (x-y)(x+y)
So,
(9m-7)(9m+7)
Hope this helps!
4. 3(3) + 2
(3 x 3) + 2 = 11
5. -(-6) -7
(+)6 -7 = -1
900 x 8 in , 2ft in cubic inches, guessing
Ronald has $504 to spend at the mall. He buys a shirt that cost $20 and a pair of shoes for $35. His friend loans him $55. How much does Ronald have now?
Ronald still has $504.
