Answer:
289.92
Step-by-step explanation:
Multiply the numbers together
Answer:
Is it statement 3? It looks like it doesn't belong.
You're trying to find constants

such that

. Equivalently, you're looking for the least-square solution to the following matrix equation.

To solve

, multiply both sides by the transpose of

, which introduces an invertible square matrix on the LHS.

Computing this, you'd find that

which means the first choice is correct.
267.3
1 2 3 4 STAYS THE SAME
5 6 7 8 9 ROUNDS UP