Calvin paints pictures and sells them at art shows. he charges $56.25 for a large painting. he charges $25.80 for a small painting. last month he sold six large paintings and three small paintings. how much did he make in all?

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

Tamar is measuring the sides and angles of tuv to determine whether it is congruent to the triangle below. which pair of measurements would eliminate the possibility that the triangles are congruent