Answer:
The system of non homogeneous linear equation is
dx/dt=2x+3y-5
dy/dt=-x-2y+4
Using differential equations and method of undetermined coefficients the solution will be
y(t,x)=-x^2+2*xt+x
10.94 triangle
Step-by-step explanation:
Question 6 is 1/6
Question 5 is 5/9
Question 7 is 1/15
Question 8 is 3/20
Question 4 is 1/30
30
31-12=19
49-19=30
Good Luck?!