In the image, two circles are centered at a. the circle containing b was dilated to produce the circle containing b′. what is the scale factor of the dilation?

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

Right anwser gets marked brainliest newton's discovery concerning how fast an object will change speed is the: 1st law 2nd law 3rd law universal gravitation

The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms