Factor the expression completely

-72x^2-45x

a 175cm tall student casts a shadow that is 2.3cm long. at the same time, a tree casts a shadow that is 8.2m longest

What is 95% of 35? A. 52.25 B. 33.25 C. 19 D. 38

Factor k2 - 81. (k + 9) (K + 9) (k - 9) (k - 9) (k - 9) (k + 9)

It takes Carla 8 minutes to shower, 20 minutes to get dressed and 15 minutes to eat breakfast before leaving for school. How long does it take Carla to get ready for school?

The results of the 3 ³ * 2 ⁴ is

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.