Using this table, calculate the profit at each level of bicycle production. One bike: -$

Two bikes: $

Three bikes: $

Four bikes: $

Five bikes: $

Six bikes: $

Seven bikes: $

the fist one is not equalvalent but i think th second one isand the third isnt definetly or the last one is i think. hope this !

step-by-step explanation:

21/58.

hope to be marked brainliest

i think its a and d

step-by-step explanation:

the answer is b.

64

step-by-step explanation:

c=2πr=2·π·8≈64