All the factors of negative 90

How many grams must be adde to 970g to make 1 and a half kg

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Give all possible names for the line shown.calculation tip: lines can be written with either point first.