Answer:
Step-by-step explanation:
Answer:
4y²-1/4 is the required answer
Step-by-step explanation:

Answer:
x=22.5
Step-by-step explanation:
BM||DT
Using Intercept theorem/Intercept theorem

6(9+x)=9*21
54+6x=189
6x=135
x=22.5
At least I think so
Answer: $0.70
Explanation: see picture