Answer:
I'm say d last choice is yours answer
Answer:
9+12=21
hope this helps!!
Step-by-step explanation:
mopeds; 3x3=9 + scotters 6x2=12
hope this helps!!
B) 2x + 3y < 5 and -3x +2y < 6
Answer:
Draw 2 squares as in the picture below
Step-by-step explanation:
U 2 can help me by marking as brainliest.....
Answer:
Step-by-step explanation:
Part A:
3x^2 -2x -1 + 9x + 2x^2-3 = 5x^2 + 7x -4
Part B
5x^3 + 4x^2 -x-3 -(5x^2 +7x-4) = 5x^3 -x^2-8x+1
Part C:
They do show polynomials are closed for addition and subtraction because both resulted in another polynomial