HELP PLEASE! THIS IS A LOT WHICH IS WHY I AM GIVING 10 POINTS! (READ THE PASSAGE AND ANSWER THE QUESTIONS. TYSM! :)
IF YOU JUST TAKE THE POINTS YOU WILL BE REPORTED WHY? BC THIS IS A GRADE!

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

Explain why the function is discontinuous at the given number a. (select all that apply.) f(x) = 1 x + 1 a = −1 f(−1) is undefined. lim x→−1+ f(x) and lim x→−1− f(x) exist, but are not equal. lim x→−1 f(x) does not exist. f(−1) and lim x→−1 f(x) exist, but are not equal. none of the above

While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)