Answer: $25,500
<u>Step-by-step explanation:</u>
The given sequence {1300, 1300+150, ... } provides the following information:
- the first term (a₁) = 1300
- the difference (d) = 150
We can use the information above to find the explicit rule of the sequence:

We can use the explicit rule to find the 12th term (a₁₂)

Next, we can input the first and last term of the sequence into the Sum formula:

Answer:
The school needs 2,843 more to raise.
Step-by-step explanation:
Sonya is incorrect because 5000 minus 2157 is 2843.
The answer is 2843 more dollars.
4 x 7 divided by 9. Set 7 equal to 7/1. Now you have 4/9 x 7/1. Multiply numerators and denominators