Identify a pattern and find the next number in the pattern -0.8, -3.2, -12.8, -51.2 a: -358.4 b: -204.8 c: -51.2 d: 4

Which of these choices show a pair of equivalent expressions?

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)-144x+360 what am i doing wrong?

Arectangular courtyard is 12 feet long and 8 feet wide. a tile is 2 feet long and 2 feet wide. how many tiles are needed to cover the courtyard?