The function r(n) = 5n² + 1 represents the value of the nth term in a sequence. What is the sum of the 1st and 3rd terms of the sequence?

How do i work this problem out using the equation a=pe^rt

What is the reflection image of (5,-3) across the line y = -x?

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?