Answer:
C = 39 pi meters
Step-by-step explanation:
The circumference of a circle is given by
C = 2 * pi * r
C = 2 * pi * 19.5
C = 39 pi meters
The equivalent expression is 10x+5y-15z
Step-by-step explanation:
7+8+9=24
second integer is 8 so 8*3=24
3/5 × 15= 9
therefore 9 students packed lunch
brainliest please
Answer: 5.4y + 1.3
Step-by-step explanation:
Combining like terms
5.4y + 1.3