Answer:
a=25
b=7
Step-by-step explanation:
Answer:


Step-by-step explanation:

Answer:
88.90 cm
Step-by-step explanation:
Answer:
.66
Step-by-step explanation:
Answer:
30
Step-by-step explanation:
5*2*3-2*0 ( when we multiply any number with zero then the result is also zero)
30-0
30