At a conference for 500 people, 30% of the participants are french, 15% are americans, 5% are germans, and are of other nationalities. how many french participants are at the conference?

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Astudent has created the give circuit diagram. it consists of a battery, a resistor, and a light bulb. in one minute, 1.2c of charge flows through the resistor. how much charge flows through the light bulb in one minute?

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units