Scientists have discovered that the shoulder height h (in centimeters) of a male elephant can be modeled by the equation below, where t is the age (in years) of the elephant. What does the 75.8 represent? h=62.5\sqrt[3]{t} +75.8[/tex]
a. expected shoulder height of newbrn
b. average age in years of elephant
c. average shoulder height
d. maximum shoulder height

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

Roger could feed 5 walruses with 4 kilograms of fish. how many walruses could he feed with 7.2 kilograms of fish?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.