15 : The world population in 2010 was approximately 6.92 billion. The annual rate of increase was about 1.0235. Find the world population in
2020.

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

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?

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?