Answer:
2130 cm^3
Step-by-step explanation:
you multiply 71 by 30 and the answer is 2130 with the units as cm cubed which is shown as cm^3
The answer is 2/15 I think
Answer: -42
Step-by-step explanation: 2*2 matrices are easy to find the determinant with. Its just ad-bc, so (5*-2)-(4*8), which is -42