If `a+2b=13 and 8a+b=20`, what is the value of `3a+b`?

IF a^b=4 and 3b=2, what is the value of a?

If 7c+8b=15and 3b-c=2, what is the value of b ?

If a-b=2 and ab=8 , then what is the value of a^3 - b^3 ?

If a = 6 - b^(3) and b = - 2 , what is the value of a ?

If 5b=6a+16 and 9b=7b-20 , then what is the value of 3a-2b ?

If a-b=6 and a b=20 , find the value of a^3-b^3

If a+b =8 and ab =15 , then what is the value of a^3 + b^3 ? (A) 98 (B) 152 (C ) 124 (D) 260

If 2a+b=8 , what is the value of 9^(a)3^(b) ?

If a^(3) + b^(3) = 152 and a + b = 8 then what is the value of ab?

A function a satisfies a (-2)=3 and a (3) =8.A function b satisfies b (3) =4 and b (7) =-2. What is the value of a (b(7)) ?