Functions H and K are inverse functions, and both are defined for all real numbers. Using this relationship, what is the value of each function composition? (h o k)(3) = (k o h) m(-4b)=

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.

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6