What is the solution of the linear system of equations? a. (-3,2) b. (2,-3) c. (2,3) d. (3,2)

Find the given elements if matrix d:

What is the standard form of -5x^2+2x^4-11+x^3+3x

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side