Pleasee Pleasee helppp! The amount (to the nearest hundredth) of a 10-mg dose of a certain antibiotic
decreases in your bloodstream at a rate of 16% per hour; 4 hours.

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

Which function has an inverse function? a.f(x)= |x+3|/5 b. f(x)= x^5-3 c. f(x)= x^4/7+27 d. f(x)= 1/x²

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c