Simplify.

16 - 7 - (-4) 12

A.

-7

B.

17

C.

25

D.

39

If a and b are consecutive positive integers less than 100, what is the value of b

Consider a mathematical function f () defined over a single variable, denoted as x. The domain of x is any value between negative infinity and positive infinity. So, basically, everything.

A poultry farm has only chickens and pigs. When the manager of the poultry counted the heads of the stock in the farm, the number totaled up to 200. However, when the number of legs was counted, the number totaled up to 540.

The altitude of a plane as it begins to descend is shown by the linear equation a = 30,000 - 1500m, where a is the plane's altitude, in feet, and m is minutes. What is the plane's altitude when m = 12?

How to solve (x-3/x) + 1/4=2/x

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.