. Example #2: A jewelry store raised its
price on a pair of earrings from $120
to $200. What was the percent of
change?

(a) (8%) compute the probability of an even integer among the 100 integers 1! , 2! , 3! , until 100! (here n! is n factorial or n*(n-1)*(n-2) *… 1) (b) (16%) compute the probability of an even integer among the 100 integers: 1, 1+2, 1+2+3, 1+2+3+4, …., 1+2+3+… + 99, and 1+2+3+… + 100

What is the circumference of a circle with an area of 50.24 cm²?

Find y to the nearest hundreds place