3/5 reduced with a denominator of ten

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2

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.