Can em waves travel through a perfect vacuum?

The ratio of men to women in a sports league is 46 to 54. What percent of the sports league are women? A. 5% B. 10% C. 20% D. 25%

Which ratio of dimensions of a circle equals pi a. circumference to radius b. circumference to diameter c. areato radius d. area to diameter

Graph, and find the vertex and zeros. 1. y = (x + 3) (x + 1)

The wolfpack has one 11 games and lost 9 games this season. what percent of its games did the wolfpack win?

If a soccer team won 7 of its 12 games, what was their ratio of wins to losses? Assume that there were no tie games. 7 to 6 7 to 20 7 to 13 1 to 2

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.