Find the solution to the system 4x-7y=-12 - 4x+3y=12

The y-intercept of a parabola is 1, and its vertex is at (1,0). What function does the graph represent

Why must x>0 for d/dx ln (x) ?

At a time denoted as t = 0 a technological innovation is introduced into a community that has a fixed population of n people.

The area of a rectangular soccer field is 5000 yd^2. The length of the field is twice the length. Find the dimensions of the field.

What is the vertex of the graph of f (x) = |x + 5| - 6?

In 8 years I will be double the age I was 5 years ago

Evaluate f (x) = x^2 - 3x+2

The Greek letter that means change in

Coleen is making 30 necklaces out of leather stings. Each necklace requires 30cm of sting. How many centimeters of string does she need? If the total cost of the string was $4.41, how much did she spend per meter?

A particular hybrid car travels approximately 204 mi on 4 gal of gas. Find the amount of gas required for a 714 -mi trip.