Substitution method, i need to know the steps to 3x+4y=8 and -5x-3y=5 using...

i need to know the steps to 3x+4y=8 and -5x-3y=5 using the substitution method.

Modeling Data, The number in millions of people in the U.S. living below po...

The number in millions of people in the U.S. living below poverty level is shown for selected years. Find a degree 3 polynomial model for the data, where x is the number of years p

Percentage, #quewhat is the origal value if a shirt cost $15 before the sal...

#quewhat is the origal value if a shirt cost $15 before the sale and cost $12 in the sale.

Digit word problems, Find a three-digit positive integers such that the sum...

Find a three-digit positive integers such that the sum of all three digit is 14, the tens digit is two more than ones and if the digit is reversed, the number is unchanged.

Vertical angles,

Pythagoras theorem, how do i find the length of the sides of a right triang...

how do i find the length of the sides of a right triangle

Process to sketching parabolas, Now, let's get back to parabolas. There is ...

Now, let's get back to parabolas. There is a basic procedure we can always use to get a pretty good sketch of a parabola. Following it is.  1. Determine the vertex. We'll discus

Determine a graph which have x-intercepts, Remember that a graph will have ...

Remember that a graph will have a y-intercept at the point (0, f (0)) .  Though, in this case we have to ignore x = 0 and thus this graph will never cross the y-axis. It does get e

Algebra 1a, what is -7/2*w=20

what is -7/2*w=20

Quadratic Equations, I am finishing a quadratic equation problem and I am ...

I am finishing a quadratic equation problem and I am left with 3 plus or minus the square root of 361 all over 2. what next?