Which expressions are equivalent to -7y+y2-30?

The points (1, 7) and (0, 2) fall on a particular line. what is its equation in slope-intercept form?

Find the percent error of the measurement 4 cm

Acommunity group is building a garden on a rectangular lot of land. the lot measures 5x by 10x and the garden will be circular with a radius of 3x. how much of the land will be left over after the garden is built? a. 41 pi x^2 b. x^2 (50 - 9 pi) c. x^2 (50 - 3 pi) d. 41x^2