For which company or companies is there a proportional relationship between the number of minutes and the monthly cost A; Mobile plus only
B:Nation Mobile and celluar prime
C:National Mobile only
D;Mobile Plus and celluar prime

20 points! PLEASE HELP

Which sentence describes why polygon mnop is congruent to polygon jklp? a. polygon jklp maps to polygon mnop through a translation. b. polygon jklp maps to polygon mnop through a rotation. c. polygon jklp maps to polygon mnop through a dilation. d. polygon jklp maps to polygon mnop through a stretch.

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.