Find the circumference of a circle with radius, r = 6.8m. give your answer rounded to 1 dp.

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

Aquadratic equation in standard from is written ax^2= bx+c, where a, b and c are real numbers and a is not zero?

The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet