Need asap doing a test and need it is the perimeter of a triangle with side lengths of 4, 13, and 3x?
a: 20x
b: 17
c: 17+3x
d: 20+x

In two or more complete sentences, determine the appropriate model for the given data and explain how you made your decision. (1,-1), (2,0.5), (5,1.5), (8,2)

I’m confused on how to work the pie charts

The value, v, of kalani’s stock investments over a time period, x, can be determined using the equation v=750(0.80)^-x. what is the rate of increase or decrease associated with this account? 20% decrease 20% increase 25% decrease 25% increase