Which decimals are greater than 0.81? Check all that apply. 1.01 0.9 + 0.07 0.7 + 0.09 (5 × 0.1) + (8 × 0.01) (8 × 0.1) + (5 × 0.01)

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years

Multiply and simplify. 2x2y3z2 · 4xy4x2 how to do?