x=heidi
x + (2x+10)=36
3x +10=36
3x -10 -10
3x=26
x=8.6 heidi has 8.6
marta has 27.3
Answer:
b
Step-by-step explanation:
18 = 2·9 = 2·3²
answer: 2·3²
333 meters per second
219.345115
-9(-8p+12)-6p
= 219.345115