How do I find a1 for the geometric sequence down below

Sn = 1640, r = 3, n = 8

What is y intercept and x intercept of f (x) = (x+3) ^2

What is the rule for the reflection? A) r y=x (y, x) - > (-y,-x) B) r y=-x (x, y) - > (-y,-x) C) r y=x (x, y) - > (y, x) D) r y=-x (x, y) - > (y, x)

What is the Lcm of 15, 31, and 4

What is the ineuality for x 2 - (2-2x) - 4 (x+5) < - 24

Kia buys 2 Cartons of Vanilla Ice Cream And 6 Cartons of Chocolate Ice Cream. Each carton contains 32 ounces of ice cream. She serves 4 ounces of ice cream in each bowl. What is the greatest number of bowels of ice cream that Kia can serve?

The graph of g (x) is obtained by reflecting the graph of f (x) = 4|x| over the x-axis. Which equation describes g (x) ? A) g (x) = |x-4| B) g (x) = |x+4| C) g (x) = -4|x| D) g (x) = |x|-4

Can you simplify a+2/5a^2+6*3/6

What are the solutions of |6x-1| ≤ 23? Write the solutions as either the union or the intersection of two sets.

The O'Malley family is driving cross-country to see their cousins. So far, they have traveled 275 miles. This is 1/5 of the way to their cousins' house. How far do the O'Malleys live from their cousins?

a sun in a distance galaxy has an estimated mass of 1.61244 * 10 ^32 kg and the earth has a mass of 5.972 * 10^24 kg, how many earths would it take to equal the mass of the sun?