How to find 8th term of expansion (2x^2-1\2x^2)^12

1. are the triangles similar and if so why? what is the value of x? show your work.

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.

Alarger number is double the sum of a smaller number. the larger number is 2 less than 3 times the smaller number. if y represents the larger number and x represents the smaller number, which equations model the situation