A carton has a mass of 1.2 kg correct to 2 significant figures. Calculate the minimum possible total mass of 20 cartons.
Please help

Find cot x if sin x cot x csc x = √2

Corresponding angles are a. always b. sometimes c. never congruent

In the next 10 month, colin wants to save $900 for his vacation. he plans to save $75 each of the first 8 months. how much must he save each of the last 2 months in order to meet his goal if he saves the same amount each month ?