You are looking for a new call phone company and you see a visual display of two plans currently being offered. you typically send too 500 text messages per month.
plan a costs a basic fee of $30 per month and 10 cents per minute. plan b costs a basic fee of $50 per month and has unlimited minutes.
how many minutes can you talk for the plans to cost the same?
which plan should you choose if you talk more or less than that? use math to explain and justify your reasoning for choosing a plan. show work

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

Which scenarios are most effectively explored by conducting an experiment? there is more than one correct answer. select all that apply. researchers want to study the effectiveness of a particular drug for treating migraines. they want to know which dosage of the drug yields the best results with the least side effects. to ensure fair results, the researchers want to ensure that participants and dosage administrators do not know which dosage participants receive. a teacher wants to plan a class fieldtrip and quickly determine where students prefer to go for the class fieldtrip. a car mechanic wants to know which of two engine brands makes better-performing engines. he wants to test the engines in identical situations and rate their performance in a way that can be fairly measured. a chemist studies the properties of a metal compound. she wants to know how the sample size of the metal affects its ability to conduct electricity. she wants to conduct the research in a controlled environment to minimize bias. a realty company wants to know the average income of its clients. the company wants to gather data income from current clients.