Serial numbers for a product are to be made using 3 letters followed by 2 digits. The letters are to be taken from the first 5 letters of the alphabet, with no repeats. The digits are taken from the 10 digits (0,1,2, ..., 9) with no repeats. How many serial numbers can be generated

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

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)

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?