How do you multiply these:
(9 + √10)(9 - √10)
Four times a number added to another number is 36. Three times the first number minus the other number is 20. Can you please tell me the numbers?
How do you find the x and y intercepts of: x - 8y + 7 = 0?
The perimeter of a rectangle is 310 m. The length is 25 m greater than the width.
What are the length and width of the rectangle?
How would you add these two fractions?
3a/(a-2b) + 6b/(2b-a)