Answer:
Step-by-step explanation:
first
3/10 & 7/10
second
5/9 & 4/9
Answer:
y=42
Step-by-step explanation:
y+48+90=180
y=180-138
y=42
When u add it stays the same but for subtraction u change the sign.
Example: 2- (-5)=7
Answer:
1/4 = 0.25
Step-by-step explanation:
3²×7................................................