A thin wire is in the form of an triangle of side 11 cm. Find the area of a circle whose circumference is equal to the length of the fire

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Three times the sum of a number and seven is negative thirty-six. what is the number?

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3