Answer:
Option c is the right answer!!!
Answer:
P = 10x + 2
Step-by-step explanation:
Formula to find perimeter:
P = 2(l + w)
P = 2(4x + 1 + x)
P = 2(5x + 1)
P = 10x + 2
Answer:
80 cents
Step-by-step explanation:
3.45-2.65= .80
Answer:
Probability is 
Step-by-step explanation:
This problem can be easily done tree diagram.
Few things keep in mind :
- From starting of match three victories of A.
- Less then or equal to two victories of B.
- In each matches there are two possibilities either favourable for A or B.
First case if A wins first match
- two victories of B then two of A
- victory of B then A then B then A
- victory of B then A then A
Second case if B wins first match(favorable)
- victory of two B then three A
So total cases are 4 and favorable is one
probability=
[Tree diagram is in attachment]