PLS HELP IM GONNA FAIL MATH How long does it takes to walk around a circular pond that has a radius of 48 meters?

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

15 liters is approximately how many gallons

Which of these figures must be a rectangle?