Answer:
y = 25
Step-by-step explanation:

Hope this helps!
Answer:
315
Step-by-step explanation:
If 70 children is 2 parts, one part is 35
35*9 is 315
Answer:
10f ?
Step-by-step explanation:
fx10
Answer:
3
Step-by-step explanation:
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction
3^4 +9^2÷3^3-9^2
81+81÷27-81
81+3-81
3

Let's solve this using unitary method ~
Therefore , the ostrich will run 105 meters in 5 seconds.