Sandra and Kate both have cell phone plans $500 min. Free calls and data both plans charge for each additional minute sandra plan charges $120 per month and 10 cent each minute over 500 min. Kate cost $100 with fee of 15 cents each min. Over 500 min. answer key

Can someone me and plz do the problem

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.

Complete each statement from the information given and the triangle criterion you used. if the triangles cannot be shown to be congruent, leave the box for the second triangle blank and choose for reason “cannot be determined.” carbon - regular hexagon. ∆can ≅ ∆ by