Which of the following statements is true for ∠a and ∠b in the diagram? Question 6 options: A) m∠a + m∠b = 180° B) m∠a – m∠b = 90° C) m∠a = m∠b D) m∠a + m∠b = 90°

How is the number of vertices for a prism related to the name of the prism

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 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.