What is B-CF? B=[2 8 .6 3] C=[12 0 1.5 1 -6 7] F=[-2 0 0 8 2 1] B matrix is 2x2
C matrix is 3x2
F matrix is 2x3
i still dont know the answer

What is 1/2 x (6 x 4)+3 + 2 show your work

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.