Estimate 10/12-3/8 using benchmark values your equation must show the estimate for each fraction and for the solution. Please helppp

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

Which numbers have the same absolute value? choose all that apply. asap will mark at brainliest

Suppose that circtes a and b have a central angle measuring 100. additionally, the measure of the sector for circle a is 10 m2 and for circle b is 40 m2 if the radius of circle a is 6 m, what is the radius of circle b?