Helppp plss <333

10 sigma n=4 5n+2

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Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio

Use the squared identities to simplify sin^2x cos^2x