Answers A, C, and D are written in standard form.
Answer B is NOT written correctly in standard form.
Answer:
He fails
Step-by-step explanation:
Marks = 52/61
Percentage = 52/61 x 100 ~ 85%
Pass amrk =86%
85% < 86%
So , he fails
Answer:
The nth term is given by: 
The 30th term is 78.
Step-by-step explanation:
Arithmetic sequence:
The nth term of an arithmetic sequence is given by:

In which
is the first term and d is the common difference between terms.
-9, -6, - 3,0
This means that
. So

30th term:

The 30th term is 78.
Answer:
The value of the land after five years is $23,302.50.
Step-by-step explanation:
First you need to find 3.9% of $19,500 which is $760.5.
Then, you multiply 760.5 by 5 years and you get 3,802.5.
Lastly, you add 3,802.5 to 19,500 and get a total of $23,302.50.
Answer:
Step-by-step explanation:
Statements Reasons
1). Points A, B and C form the triangle 1). Given
2). Let DE be a line passing through 2). Definition of parallel lines
B and parallel to AC
3). ∠3 ≅ ∠5 and ∠1 ≅ ∠4 3). Theorem of Alternate
interior angles
4). m∠1 = m∠4 and m∠3 = m∠5 4). Definition of alternate angles
5). m∠4 + m∠2+ m∠5 = 180° 5). Angle addition and definition
of straight lines
6). m∠1 + m∠2+ m∠3 = 180° 6). Substitution