Whats 1999 rounded to the nearest hundred

1) р * + 14 р - 38 = 0 1 че 100 - 19 - 0

A school principal ordered 1,000 pencils. he gave an eqyuak number to each of 7 teachers until he had given out as many as posible. how many pencils were left?

Harry and Taylor are running a concession stand for a concert. Hot dogs at the concession stand cost $1.25 each and sodas cost $0.75 each. During one concert, the concession stand earns $352.50 after selling 380 total hot dogs and sodas.

Recent research suggests that college students spend an average of about 1.5 hours on social media each day. Suppose a DVC school newspaper reporter believes that DVC students spend less time than that on social media each day.

Solve the equation 7x^2-8x=-1

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.