My friend is telling me that "6 2" is 12 but the space doesnt represent a mutiply. Is he right or is he wrong?

Aboat's value over time is given as the function f(x) and graphed below. use a(x) = 400(b)x + 0 as the parent function. which graph shows the boat's value increasing at a rate of 25% per year?

Which of the following is best modeled using a linear equation y=ax+b, where a is less than 0?

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