If x = 4 whats:

4*x + (x * 3/5)

sub to pewds

or 18.4

Step-by-step explanation:

lets let x=4

4*4+(4*3/5)

4*4+12/5

16+12/5

16+2.4

answer... 18.4

answer: what do you mean

step-by-step explanation:

use pothagarean therom

a^2+b^2=c^2 so first ac

acm is a right triangle because c= 90°

and am (the hypotenuse or c) =16+9 =25

but there is not enough info we need another angle or side length