A spider spins a web in the following way: It starts at sea level.
It moves up one inch in the first minute.
It moves down two inches in the second minute.
It moves up three inches in the third minute.
It moves down four inches in the fourth minute.

Assuming that the pattern continues, what will the spider's elevation be, in inches, after an hour has passed?

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?

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)

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2