The school librarian has a budget of $715 to spend on books. She
orders from a company that
charges $8 per book, plus a $75
shipping fee per order. Which of
the following inequalities
represents this situation,
if b represents the number of
books ordered?

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered

Ineed with the quizzes in apex mathematics ii

Solve for x where 0 equation: cot^2x+2cotx+1=0