8x^2 - 7y^2- 2x^2 + 10y^2=?

I WILL GIVE BRAINLIEST TO THE FIRST TO GET IT RIGHT

49xy +34y - 72z. determine the degree of the polynomial

Which measure is equivalent to 110 ml? 0.0110 l 0.110 l 1.10 l 11,000 l

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)