What is the value of `(4)/(5)-(2)/(3)`

If (5)/(x)=(9)/(x+2) , what is the value of (x)/(3) ?

1.What is the value of tan[(1)/(2)cos^(-1)((3)/(5))]+tan[(1)/(2)cos^(-1)((4)/(5))] ?

If ab-3=12 and 2bc=5 , what is the value of (a)/(c) ?

What is the value of tan[(1)/(2)cos^(-1)((3)/(5))]+tan[(1)/(2)cos^(-1)((4)/(5))]? (a) (5)/(6) (b) (-5)/(6) (c) (1)/(2) (d) 0

If (4x )/(2y)=4, what is the value of (3y)/(x) ?

What is the value of (a+b)/(a-b) , if a/b=4? (a) 3/5 (b) 5/3 (c) 4/5 (d) 5/4

If 3x-2y=5 , what is the value of (8^(x))/(4^(y)) ?

If p (x) = x ^(2) -4x+8 and q 9x)=x-3, what is the value of (q (p (5)))/(p (q (5))) ?

2c+3d=17 6c+5d=39 In the system of linear equations above. What is the value of 4c-4d?

If (s-3)^(2)=0 , what is the value of (s+3)(s+5) ?