book Maths Puzzle Numerical Ability

simplify the following algebraic expression

Multiply: (3x + 4) (3x -4)

Read Solution (Total 0)

book Other Question

LA & SF are 470 miles apart. An express train leaves LA at the same time a passenger train leaves SF. Express train travels 10 mph faster than passenger train. 2 trains pass each You have a triangle 6 1/4 high, 24 long, and Hyp of 24.8. one known angle of 90 degrees, what are the other two angles?