3k^2+12k-7kn-28n square meters and a length of 3k-7n meters. What expression represents the width of the rectangle?

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

The graph below shows the height of a projectile t seconds after it is launched. if acceleration due to gravity is -16 ft/s2, which equation models the height of the projectile correctly?

An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0