Zofia bought 4 binders for $21.70. If each binder cost $5.00 before tax was added, what tax rate did Zofia pay on the 4 binders?

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.