A bag contains nine batteries, all of which are the same size and are equally likely to be selected. Each battery is a different brand. If you select six batteries at random, use the counting principle to determine how many points will be in the sample space if the batteries are selected a) with replacement.
b) without replacement.

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given

The seventh-grade students at charleston middle school are choosing one girl and one boy for student council. their choices for girls are michaela (m), candice (c), and raven (r), and for boys, neil (n), barney (b), and ted (t). the sample space for the combined selection is represented in the table. complete the table and the sentence beneath it.