On Day 1, Hailey gets 2 pennies for doing a chore. After that, each day she does a chore, the amount
doubles. The expression 2" tells how many pennies she
gets for doing a chore on the nth day. How much
money does Hailey get on Day 20 of doing chores?

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c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.

the terms of a geometric sequence can be found by beginning with the first term and multiplying by the common ratio repeatedly. a recursive formula for a geometric sequence with common ratio r is given by an=ran−1 a n = r a n − 1 for n≥2 n ≥ 2 .

step-by-step explanation:

answer: the answer is fre sha voca do

step-by-step explanation: