The shape of a carpet is a semicircle. Use 22 7 as an approximation for π.
a) Find its area.
b) Janice wants to put a fringed border on all sides of the carpet.
How many feet of fringe are needed?

As part of an annual fundraiser to raise money for diabetes research, diane joined a bikeathon. the track she biked on was 1,920 yards long. diane biked 38.5 laps. her sponsors agreed to donate an amount of money for each mile she biked. how many miles did she bike? first fill in the blanks on the left side using the ratios shown. then write your answer. given ratios: 5280ft / 1 mi , 1 mi /5280 ft , 1,920 yards / 1 lap , 1 lap / 1,920 yards , 3 ft / 1 yard , 1 yard / 3 ft. blanks: 38.5 laps / 1 yard x (blank) x (blank) x (blank) = (blank) miles i'm really confused on how to do this, and the explanations aren't exactly . if you could walk me through how to do this, it would be greatly appreciated.

Can someone me do math because i am having a breakdown rn because i don’t get it

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be