•Find the first term in the sequence for which a20 =42 and d=2 •if r =2 and a6 = 96, find the first term of geometric sequence.
•find the sum of the first 10 terms of the series 4+20+100+500+__
•find the sum of the infinite geometric series 1/2+1/4+1/8+_

Peaches cost $4.29 per pound. find the cost of two and a quarter pounds of peaches.

The sum of two numbers is 58. the first number is 8 less than half the second number. let  c  represent the first number. let  drepresent the second number. which statements about solving for the two numbers are true? check all that apply.the equation    represents the sum of the two numbers.the equation    represents the sentence “the first number is 8 less than half the second number.”the equation    represents the relationship between the two numbers.the equation    represents the sum of the two numbers.the number  d  is 14.the number  c  is 44.the number  c  is 14.the number  d  is 44.

On saturday a souvenir shop had 125 customers.sixty four percent of the costumers paid with a credit card. how many costumers paid with cash?