Answer:
They studied for a little more than an our. A
Step-by-step explanation:
Because if you multiply 4 on 2/3 you get 8/12, then add 8/12 and 7/12 together to get 15/12 simplified 1 3/12.
Answer:
a) 
b) 
Step-by-step explanation:
From the question we are told that:
3 coin are tossed
Therefore
Sample space 
Generally the sets that correspond with the result of at most one tail is therefore given as follows

Therefore
The result is at most one tail when

Answer:
1232
Step-by-step explanation:
Step 1: 8x14 to find the base
Step 2: Base times Height
Good Luck! And have a great day!
Answer:
60 inches
Step-by-step explanation:
s = 15 in
Perimeter of a Square = 4 s
= 4 × 15
= 60 in
∴Chatty needs 60 inches of yarn.
Hope that helps!!
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