2x+3y=53
3x-y=19

work out the values of x and y

Which of the fallowing best completes the sequence 5,10,15, a) 30 b) 22 c)25 d)35

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).

50 points and will mark brainlest if you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking: