20% of the spectators at a tennis tennis match are women. 10% of them are girls. 30% of them are boys. the remaining 3600 spectators are men. find the total number of spectators at the match. show work

The average human heart beats 72 beats per minute. how many times does it beat in 15 seconds?

Which shows the pre image of triangle xyz

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)