About 10% of people in the United States do not wear a seat belt. Suppose we take a random sample of 180 U. S. residents and let X =The number of people who do not wear their seat belts. (a) Calculate the mean and standard deviation of the sampling distribution of X. *Type only the number for your answer, with 2 decimal places.

Given: hf || jk; hg ? jg prove: fhg ? kjg to prove that the triangles are congruent by asa, which statement and reason could be used as part of the proof? fgh ? kgj because vertical angles are congruent. jkg ? hfg because vertical angles are congruent. fhg ? jkg because right angles are congruent. hfg ? kjg because alternate interior angles are congruent.

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?