find the mass and center of mass of a wire in the shape of the helix x = t, y = 2 cos(t), z = 2 sin(t), 0 ≤ t ≤ 2, if the density at any point is equal to the square of the distance from the origin.

Alaser tag arena sells two types of memberships. one package costs $325 for one year of membership with an unlimited number of visits. the second package has $125 enrollment fee, includes five free visits, and costs and additional $8 per visit after the first five. how many visits would a person need to use for each type of membership to cost the same amount over a one-year period?

Any tips for studying for middle school

Which element contributes to nye’s voice in this passage