Circle A has a circumference of 16units. Circle B has an area of 25square units. Which circle has the bigger radius?

The axis of symmetry for the graph of the function f(x)=1/4^2+bx +10 is x=6. what is the value of b?

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?

Use sigma notation to represent the following series for 9 terms.