109. Half-life. The half-life of Valium (diazepam) is 36 hours. Suppose a patient receives 16 milligrams of the drug at 8 A.M. How much Valium is in the patient's blood at 4 P.M. the same day?

A teacher spent \( \$ 21 \) on packs of stickers and packs of pencils for her class. - Stickers cost \( \$ 1.50 \) per pack. - Pencils cost \( \$ 3.50 \) per pack. Show or explain how you know that this graph represents this situation.

Find the quotient by replacing the divisor by its reciprocal and multiplying. \( \frac{14}{5} \cdot \frac{3}{4} \div \frac{9}{10}=\square \)

A study shows that 70 out of 200 college students read the newspaper. Marysville College has 12,600 students. Based on the study, how many students at Marysville College are likely to read the newspaper? B. 4,600 D. 4,810 D. 8,820

whk with a ratmate and do as indicated. The lenght of a rectangle in terms of \( x \) is \( \frac{x^{2}+3 x-4}{x+1} \) units and its width is \( \frac{x^{2}+5 x+4}{x+4} \) units, what is its area? leave the answer in factored form.

23. \( \frac{1}{2} \log x-2=0 \)