A ball is thrown upwards and it's height h m, at time t s, is given by h=7t-4.9t2. How long does the ball spend more than 1.5m above ground?

Sally's dog boarding service currently has 4 Great Danes, 10 golden retrievers, 24 mastiffs, and 12 Doberman pinschers. What is the ratio of Doberman pinschers to the total number of dogs at Sally's boarding service?

Which of the following situations can be represented by the absolute value of 10? Check all that apply. The temperature is 10 degrees below zero. Express this as an integer. Determine the size of Harold's debt if he owes $10.

If two pounds of meat will serve 5 people how many pounds will be needed to serve 13 people

A population of 900 bears decreases by 15% after 7 years how many bears are left, round to the closest whole number

What is the value of a? a - 2 = 3/3+6a

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.