Answer:
28
Step-by-step explanation:
If an area of a square is 49 units that means the length and the width are 7 units. Since a square has 4 sides that means 7*4=28. So there are 28 units.
Answer:
96
Step-by-step explanation:
Change in temperature = Final temp. - Initial temp.
⇒ -5 - 20 = -25 F
So, Temperature fall be 25 degree. [ -ve sign shows temperature fall]
Hope this helps!
Step-by-step explanation:
1. 5+2+3=5+(2+3) 2. 9a is equivalent to 11a-2a 3. 7a + 04 - 2a is equivalent to 7a + -2a + 4 4. 8a-(8a-8) is equivalent or = to 8.