What is the equivalent expression for 9(2a + 1)

18a + 9

Step-by-step explanation:

If you use the distributive property you can calculate your answer.

Example:

9 times 2a = 18a

9 times 1 = 9

So that gives you the answer 18+9

false

step-by-step explanation:

rulers and compasses arent required in order to bisect an angle because when bisecting angles, you're making a "half circle" and considering in order to bisect an angle it wouldn't be straight, you wouldn't need either of the two

10.416 m/s

step-by-step explantion:

distance=100m

time= 9.6s

average speed=100/9.6

=10.416 m/s