15x^2-4x-4=15x
2
−4x−4=

What term best describes a line and a point that lie in the same plane? a. congruent b. coplanar c. collinear d. equal

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?