If a woman has an umbrella that is fixed directly above her head (it cannot move) and rain is falling at a velocity of 20 m/s at an angle of 30 from vertical, what speed and direction should she run to make sure she stays dry?

A. Show that the system of rational expressions is closed under addition, or give an example showing the contrary.

If a = 150 inches, b = 50 inches, and C = 120º find c. Round to the nearest tenth of an inch.

Which are the possible side lengths of a triangle? O 3 cm, 5 cm, 9 cm O 4 cm, 8 cm, 10 cm O 6 cm, 9 cm, 17 cm O 8 cm, 10 cm, 18 cm

write an equation for a circle that is centered at the origin and has a radius of 6. show your work.

Every evening jenna empties her pockects and puts her change in a jar. one week she had 38 coins, all of them dimes and quarters. when she added them up she had a total of 6.95

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.