What happens to the temperature as you climb higher in altitude on Mt. Everest for each kilometer?

Which city has a colder average February temperature: Montréal at -7.2°C, or Edmonton at -7.6°C?

What is the definition of a prime number?

What is the greatest common factor (GCF) of 30 and 50?

Which of the following is true about factors?

In the context of the lesson about hot dogs and buns, why is it important to find common multiples?

A Canadian ski resort records daily low temperatures. Over four days the lows were -2.5°C, -2°C, −2.9°C, and -2.3°C. 

 A cafeteria manager packs lunches into boxes. She has 72 sandwiches and 120 juice boxes and wants to pack them into identical bags with no leftovers, using the greatest possible number of bags.

A hospital schedules two nurses for check-ins. Nurse A checks in every 40 minutes and Nurse B every 56 minutes. They both check in together at 7:00 AM. 

Using prime factorization, after how many minutes will both nurses next check in at the same time? 

Which of the following is NOT equivalent to 2/3?

Evaluate: 8 + (−5) − (−2)

What value of x makes 5/8 = x/24 true?

The number  385 has three prime factors. The sum of these prime factors is

The prime factorization of 6 x 5 x 4 x 3 x 2 x 1 can be written in the form 2^a x 3 ^b x 5^c. The value of a + b + c is 

The temperature last night was -5℃. It is now 3℃. How many degrees warmer is it now?

If the integers -7, 10, 9, 0, -9 are ordered from least to greatest, what is the third integer in the list?

Which of the following numbers is closest to 10?

The sum of the prime factors of 42 is