The diameter of a semicircle is 4 inches. What is the semicircle's area?
d4 in
Use 3.14 for n d=4

(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

If jklm is a trapezoid, which statements must be true?

Given that the images represent 4 steps in the construction of a line segment congruent to a given line segment, which is step 3 in the construction?