There were 26.4 million obese American adults in 1995. About how many more American adults were obese in 2010 than in 1995? Record your answer in scientific notation

Two parallel lines are crossed by a transversal. what is the value of x? x = 40 x = 70 x = 110 x = 130

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

With finding limits of multi variable !