(please help, I will mark you as brainliest)

What is the solution to the following system of equations?

y=4/3x−4 6x+3y=−2

a. x=−4 and y=2

b. x=1 and y=−83

c. infinitely many solutions

d. no solution

e. x=0 and y=−4

Solve these problems: 1.what is the perimeter of an equilateral triangle with sides measuring 6cm? 2. a regular pentagon has sides measuring 3.2 cm. what is its perimeter? 3. a regular decagon has sides of 3.5mm . what is it’s perimeter? 4. a regular octagon has a perimeter of 64cm. what is the length of one of the sides? 5. a regular hexagon has a perimeter of 72mm . what is the length of one of the sides? 6. what is the perimeter of a rhombus with sides measuring 11m?