Answer:
9
Step-by-step explanation:
Unit rate means the value will for 1.
If we know that, then we can simplify:
45 ÷ 5
= 9
Hence, the unit rate is 9.
Therefore, for each bus, there will be 9 students.
Answer: 8
8 balloons
Balloons created in 15 minutes = 20
Balloons created in 1 minute = 20/15
Balloons created in 6 minutes = 20/15 * 6 =4/3 * 6 = 8
Below.
Yes - those are 2 semicircles so their combined area = πr^2
= 3^2π
= 9π.
