The formula for the sum of n terms in an arithmetic progression is:
S = n/2 * (2a + (n-1)d)
Here, the common difference, d, is 8 and the first term, a, is 1. Substituting these into the formula, we get:
S = n/2 * (2*1 + 8(n - 1))
S = n + 4n² - 4n
S = 4n² - 3n
The answer is A.
Answer:
D. mayonnaise and nuts
Step-by-step explanation:
Answer:
x = 12
Step-by-step explanation:
5x + 15 = 75
-15 -15
5x = 60
x = 12
42.50 in 5 hours =
8.50 in 1 hour
So you have 8 hours
You are alt know 5 hours is 42.50
You have another 3 hours
8.50 x 3 = 25.50
42.50 + 25.50 = $68.00
When we ask for a square root, or for the square roots we're acknowledging a number has two square roots, negations of each other. Here

Answer: Choices C, E, F