Answer:
Emily's mother will donate $20
Step-by-step explanation:
0.5x20=10
Answer: -3.5x
Step-by-step explanation:
Distribute 7 to 1 and 2 then
Step-by-step explanation:
- -9x+18<-27
- -9x+18-18<-27-18
- -9x<-45
- x>-45/-9
- x>5
Scaled by 2, side lengths are 3, 4 and 5