The first three statements are correct while the last statement is incorrect.
(-2x^3 +x -5) * (x^3 -3x)
= x^6*(-2*1) +x^4*(-2*-3 +1*1) +x^3*(-5) +x^2*(-3) +x(-5*-3)
= -2x^6 +7x^4 -5x^3 -3x^2 +15x
Remember them is the best way to go.
draw the exact value triangles if you're unsure, but importantly, you just need to memorise these exact values.
Answer:
The decomposition of the whale enriches the sediment.
Step-by-step explanation:
1/8 of her time was spent on things other than working with clients. 1/8 = 0.125 * 100 = 12.5%