The forecaster on tv said, "it's a scorcher! right now it's 90 degrees but the temperature will fluctuate at least 12 degrees by 3 pm. we'll tell you if we're getting hotter or colder in a minute! " what is the range of possible temperatures it could be at 3 pm

the difference between a number and 5 is -2.

step-by-step explanation:

notice that the equation you are given has -2 (negative 2) on the right side, not 2. when you subtract 5 from a number n, you are finding the difference between the number and 5.

the difference between a number and 5 is -2.

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,