“i don’t understand so i need someone to me , and ,

Sara can take no more than 22 pounds of luggage on a trip.her suitcase weighs 112 ounces.how many more pounds can she pack without going over the limit?

Three times the sum of a number and seven is negative thirty-six. what is the number?

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?