Which biome is characterized by plants that drop their leaves in the winter a) deciduous forest b) taiga c) tropical rainforest d) desert

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation

Solve the equation by completing the square. x^2+2x=17