Answer:
A matrix equation is an equation in which a variable stands for a matrix . You can solve the simpler matrix equations using matrix addition and scalar multiplication .
Step-by-step explanation:

The given Angles (4x + 2) and (3x + 3) are forming linear pair, so
now, let's find Angle DCB :
Answer:
A rectangular garden has dimensions of 19 feet by 16 feet. A gravel path of equal width is to be built around the garden. How wide can the path be if there is enough gravel for 246 square feet?
OA 5ft
OB. 3 ft
OC. 41
OD. 5.5 ft
The correct answer is D.Please mark me as Brainliest!