Aquadratic sequence has an nth term of: n²-3n+5 calculate the 7th term of this sequence.

George is 187 cm tall. his son, ralph, is 142 cm tall. who casts the longer shadow. george when the sun is 65° above the horizon, or ralph when the sun is 56° above the horizon? how much longer? (nearest centimeter)

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12