-what is the sum of -15+18​

Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 seconds

What are the sotions to the quadratic equation 9x^2=4

Apolynomial has two terms. check all of the factoring methods that should be considered. common factor difference of cubes sum of cubes difference of squares perfect-square trinomial factoring by grouping