John has taken out a loan for college. he started paying off the loan with a first payment of $100. each month he pays, he wants to pay back 1.1 times as the amount he paid the month before. explain to john how to represent his first 20 payments in sigma notation. then explain how to find the sum of his first 20 payments, using complete sentences. explain why this series is convergent or divergent.

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem