X = (7 + Y) (7 - Y)
2 + Y
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 this helps!
~LENA~
Answer:
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Answer:
The nearest whole would be 90
Step-by-step explanation:
If you are rounding a number, 1 -4 makes the number go down, for example 1.4 would round to 1. 5-9 would round up, for example, 1.8 would round to 2
Answer:
(-25) + (-45) + (-75)
-145
Step-by-step explanation:
Given that :
jan made withdrawals of 25 45 75 from her savings account
Sum of negative integers to show Jan's withdrawals :
Expression to showing sun of negative integers to represent Jan's withdrawals :
(-25) + (-45) + (-75)
The result of the sum will give the total amount of Jan's withdrawal.
(-25) + (-45) + (-75) = - 145
Hence, total amount Jan withdrew is - 145
