(25 points) for 10 grams of a radioactive sample of carbon-14, which has a half life of 5730 years, write an equation to model how many grams will remain after x years.

a. y= 10(1/2) ^(x/5730)

b. y=10(2)^(x/5370)

c. y= 10(1/2)^(5730/x)

d. y=10(2)^(5730/x)

The graph of a line gets what as the value of the slope gets bigger

The numbers on a football field indicate 10 yard increments. you walk around the perimeter of a football field between the pylons. you walk a distance of 30623 yards. find the area and perimeter of the indicated regions. write your answers as mixed numbers, if necessary. a. one end zone: perimeter: yd area: yd2 b. the playing field (not including end zones): perimeter: yd area: yd2 c. the playing field (including end zones): perimeter: yd area: yd2

Which of the following circles have their centers in the third quadrant?