10 POINTS I WILL GIVE BRAINLIEST 1.
Consider the sequence: 13, 17, 21, 25, ,117
a. Is this sequence arithmetic or geometric? Justify/explain.
b. Write the explicit and recursive rules.
2.
c. Find the sum. You can do it by adding all the terms (“bone head”) or using a formula.

Jessa bought a yoyo from a company that claims that, with each retraction, the string rolls up by 60% of the original length. she sets up a tape measure and throws the yoyo 3 times. her data are charted below. throw length of string (feet) 1 3 2 1.8 3 1.08 jessa wants to find the sum of the length of string after 10 throws. what is the sum of the lengths, rounded to the nearest hundredth?