This problem could be set up algebraically or you could use trial and error.
a) 9 and 4 (9 + 4 = 13, 9 * 4 = 36 and 36 - 23 = 13)
I won't give you the rest of the answers, but the second and third ones have to add together to equal a negative number and multiply to equal a positive number. I hope this helps some.
9514 1404 393
Answer:
3
Step-by-step explanation:
The digit to the right of the units digit is the tenths digit. It is 4. Because it is not 5 or greater, that digit and all to its right are simply dropped. The rounded value of 3.478 is 3.
I have no clue. im on that same question
Answer:
2x³ -5(x²-5)
Step-by-step explanation:
2x3 − 5x2 + 25
=2x³ -5x²+25
=2x³ -5(x²-5)