Pre-Calc! Please help! Will give brainliest!

Which value is not a solution of 8x^3 – 1 = 0

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

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