Find the missing side length(s) for each set of similar figures.

Jada has a monthly budget for her cell phone bill. last month she spent 120% of her budget, and the bill was 60$. what is jada’s monthly budget

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.