Answer:
is there any picture of area ???
Answer:
(2,√21)
Step-by-step explanation:
The circle centered at the origin has equation:

Any point that satisfies this equation lie on this circle.
When x=2, we substitute and solve for y.

Take square root to get:

Therefore (2,-√21) and (2,√21) are on this circle.
From the options, (2,√21) is the correct answer
The sequence is a function
Step-by-step explanation:
The sequence is given as;

where n is the number of months since his initial deposits, and A₀=50
The sequence is a function because its domain is a set of natural numbers.
For example,
A₁=A₀+25 =75
A₂=A₁+25=100
A₃=A₂+25=125
A₄=A₃+25=150
Learn More
Sequence:brainly.com/question/14005212
Keywords : saving, college, depositing, amount, money, modeled, sequence
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(102 - (28*2)) / 2=
(102 - (56)) / 2 =
(46) / 2 = 23
The width is 23 cm