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Find an equation in standard form of the parabola that passes through (-2, 9), (-4, 5), and (1, 0)

The ancestors of horses possessed feet with five digits. over time, with the development of grasslands, the digits fused and formed hooves. what evolutionary advantage did this transformation serve? a. it allowed them to climb rocky surfaces with ease. b. it allowed them to graze better. c. it enabled them to run faster from predators. d. it let them see clearly through the grasslands. e. it made them taller.

When do you think it’s best to take the psat (what grade year / when in the year)?