Solve the following system of equations. 10x + 10y = 100 and 50x + 50y = 400

What is 18/27 simplified

lena finished her assignment in 1/2 hours. then she completed her other assignment in 1/5 hours. what was the total time lena spent doing these assignments.

Both sides of an equation have quadratic expressions. The graph of one quadratic opens upward. The graph of the other opens downward. What are the possible number of intersections for this system?

Which graph represents the function f (x) = 0.75^x

Algebraic expression 4 more than p

Three less than a number is twelve

The vertex of a parabola is (-2, - 20), and its y-intercept is (0, - 12). the equation of the parabola is y = _x^2 _x _.

Evaluate the following expression using the values given find 5x - 3y - Z if x equals - 2 y equals 2 + z equals - 3

Fractions that have the same value

How would i write 19.07 as a mixes number