If sina =3÷5 and cos b=5÷13 find value of sinb + cos a​

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

For the quadratic function [tex]y=(x+4)^2-1[/tex] , do the following: a) rewrite the function in the standard form, b) rewrite the function in intercept form, c) find the vertex, d) find the y-intercept, e) find the x-intercepts.

How many verticies does a triangular prims have