Answer:
In this case, we can do substitution.
Step-by-step explanation:
For the first one, (s - t)(x) = ((x - 5) - 4x^2)(x) = x^2 - 21x
For the second one, (s*t)(x) = ((x - 5) *4x^2)(x) = 4x^4 - 20x^3
And for the last one, (s+t)(-2) = ((x - 5) + 4x^2)(-2) = -8x^2 - 2x + 10
Hope your happy with the answer :)
Yes you are correct it is A.
Answer:
I think the answer would be 287?
Step-by-step explanation:
Ok so 4892=83(52)+64x
4892=4316+64x
576=64x
9=x
So he should 9 snowboards.