The perimeter of the rectangle is 21 ft.
What is the length of the missing side.

On new year's day, the average temperature of a city is 5.7 degrees celsius. but for new year's day 2012, the temperature was 9.8 degrees below the average. i) if a represents the average temperature on new year's day and 7 represents the temperature on new year's day 2012, what formula accurately relates the two values together? ii) what was the temperature on new year's day 2012? dt a 0.8 ii) - 4 1 degrees celsius da-t-98 ii) 59 degrees celsius 1) 7 = -9,8 11) 59 degrees celsius ii) l degrees celsius

Acircle has a circumference of 28.36 units what is the diameter of the circle

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?