Abox contains
5

plain pencils and
5

pens. a second box contains
5

color pencils and
7

crayons. one item from each box is chosen at random. what is the probability that a pen from the first box and a crayon from the second box are selected?

write your answer as a fraction in simplest form.

What is the value of the digit 1 in the number 13?

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)

Need so much on this one how many yards?