The algebraic expression
(3x2 - 4x + 7) - 2(1 - 2x + x2)
in standard form will be a binomial
ax2 + c.

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 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)

Prove that 16^4-2^13-4^5 is divisible by 11.