Number problems, The difference of two numbers is 18. The larger number is ...

The difference of two numbers is 18. The larger number is four more than twice the smaller. What are the numbers?

Augmented matrix, Augmented Matrix Previously we saw that there were s...

Augmented Matrix Previously we saw that there were some special cases in the solution to systems of two equations. We illustrated that there didn't need to be a solution at al

Lisa, (8x^3+6x^2-8x-15)+(4x-5)

(8x^3+6x^2-8x-15)+(4x-5)

Simplify, |0.375|+|-5/8|

|0.375|+|-5/8|

Vertical angles,

I need help, can any one help me with my geometry

can any one help me with my geometry

Logarithms, if log a-b/2=1/2 (log a + log b) show that a*a+b*b=6ab

if log a-b/2=1/2 (log a + log b) show that a*a+b*b=6ab

Distribution Property, I really need help in this question (-5d + 1)(-2) I ...

I really need help in this question (-5d + 1)(-2) I am really confused

Real estate equation, 50 units for 580 dollars a month, rent increase 625....

50 units for 580 dollars a month, rent increase 625.00 now only 47 units occupied

Series and squence, how to do it

how to do it