Answer: Deshi will have 302 marbles and Elaheh will have 519.
Step-by-step explanation:
Deshi's Marbles will subtract 125.
427 - 125 = 302.
Elaheh's Marbles will add 125.
394 + 125= 519.
101 is the correct answer for 75+26
The third term is 9
t(3)=2(3)+3
6+3 = 9
The answer is A. this is because your are multiplying by 9 throughout
The formula of the perimeter of a triangle is

where a,b,c are the sides of the triangle