two complementary angles have measered of s anfd t. if t is less then twice s which system of linear equations can be used to determine the measure of each angle

2x minus y equals 6, x plus y equals negative 3

Percy rides his bike 11.2 miles in 1.4 hours at a constant rate. write an equation to represent the proportional relationship between the number of hours percy rides, x, and the distance in miles, y, that he travels.

Quickly multiply and simplify polynomials (x – 4) (x^2 – 5x – 6)