Write each expression in quadratic form, if possible x^4+12x^2-8
5x^6-2x^2+8
-15x^4+18x^2-4
9x^8-21x^4+12
16x^10+2x^5+6

Abcd is a parallelogram find the valuse of x

Answer asap ! the shortest path from point a to point b goes through a pond. to avoid the pond, you must walk straight 34 meters along one edge of the pond, then take a 90 degree turn, and again walk straight 41 meters along another edge of the pond to reach point b. about how many meters would be saved if it were possible to walk through the pond? a. 11 m b. 20 m c. 30.45 m d. 21.73 m

Simone claims the initial value and y-intercept are the same thing on a graph. is she correct? if you know that a line has a slope of and a y-intercept of 7, what is the equation for that line in slope-intercept form?