Please answer 20 points tamara rewrote the expression 0.2(4+1.4y - 2.1). her steps are shown.
step 1: 0.2 (4+1.4y-2.1)
step 2: 4.2 + 1.6y - 1.9
step 3: 4.2 - 1.9 + 1.6y
step 4: 2.3 + 1.6y.
which statement identifies and explains the first mistake tamara made?

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

The graph of g(x) is a translation of y = which equation represents g(x)?

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)