That means she will start saving $44 a month instead of the $40 she was saving bafore
20,21, and 29.
Use the Pythagorean Theorem to plug in all the options. 20²+21²=841. The square root of 841 is 29.
A system of equations with one polynomial function of degree two and one linear function will have two solutions when the line intersects the parabola at two points.
A system of equations with one polynomial function of degree two and one linear function will have no solution when the line does not intersects the parabola.
A system of equations with one polynomial function of degree two and one linear function will have one solution when the line intersects the parabola at one point.
When adding fractions you need a common denominator so lets look at what "fractions" we are dealing with:2/3 1/6 and 1/4.
