Abaseball player gets 10 hits in 50 at bats. what percent are hits, and what percent are not hits?

Which of the following is a type of technology that can be used at a coal-burning power plant to remove both particulate matter and gases? bag filter catalytic converter cyclone electrostatic precipitator scrubber

Some studies have found that what percentage of students have cheated in some form? a. 10% b. 25% c. 45% d. 75%

How would you use a nuclear device to prevent an asteroid from hitting earth? a. use the device to blow up the asteroid b. use the device to blow up part of the asteroid and deflect it c. detonate the device in proximity to the asteroid to deflect it d. use the mass of the device to slingshot the asteroid out of orbit