Which of the following is NOT a rational number ?
a 9.3
b pi
C 0
d sqrt(25)

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

Which is the correct first step in finding the area of the base of a cylinder with a volume of 26x cubic meters and a height of 6.5 meters? v=bh 6.5=b(26x) v=bh v=26pi+(6.5) v=bh v=26pi(6.5) v=bh 26pi=b(6.5)

Solve the following: 12(x^2–x–1)+13(x^2–x–1)=25(x^2–x–1) 364x–64x=300x