I will brainliest the best answer Which cube is a unit cube?

1.a cube that is 7 feet long, 7 feet tall, and 7 feet high

2 .a cube that is 15 centimeters long, 15 centimeters wide, and 15 centimeters high

3.a cube that is 1 meter long, 1 meter wide, and 1 meter high

4.a cube that is 5 inches long, 5 inches wide, and 5 inches high

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. identify the domain for each of the given functions.

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.