I can answer only 1st coz I have no idea about 2nd problem..
Here Hypotenuse is 5

a =x
b =4
c = 5
5 square =x square +4 square..
25 =x square+16
25 -16 =x square
9 =x square..
√9 = x
3 = x..
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10 of them fail so 10 of them get 0 and no points to there GPA
Answer:
F
Step-by-step explanation:
Answer:
The coordinates of C' would be (4, 1)
Step-by-step explanation:
:)
Answer:
The oldest age of Olivia’s sister can be 11 years.
Step-by-step explanation:
Given: Olivia’s sister’s age is x years.
To write: inequality that can be used to represent the given situation.
As Olivia is 6 years older than her sister,
Olivia's age 
As the sum of their ages is no more than 28 years,

So, the oldest age of Olivia’s sister can be 11 years.