An initial deposit of $13,700 was made into an account that compounds interest quarterly. No other deposits were made. At the end of 12 years, the balance in the account had doubled. Find the interest rate on this account.

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?