Answer:
Very interesting observation
~ Maria
Step-by-step explanation:
Answer:
second option
Step-by-step explanation:
The perimeter P is the sum of the 3 sides, then
P = 4x² + 3 + 2x - 5 + x + 11 ← collect like terms
= 4x² + 3x + 9
Answer:
c
Step-by-step explanation:
Answer:
John is 9 and Olivia is 12
Step-by-step explanation:
12+18= 20
36+ (9x8)= 108
Answer:
13x10^15
Step-by-step explanation:
8+5 = 13
6+9 = 15