The correct answer for part A is 5x² +7x -4. 5x³ -x² -8x -7 is the right answer for part B. Polynomials are always closed if under addition or subtraction. The answers of both parts A and B are polynomials. hope that helps let me know if it does
Answer:
because after decimal then value 0 dont have meaning
4
Step-by-step explanation:
It's a pythagorean triple
A = 33 1/3 ft²
It's the one you picked lol
