Band members are selling candles to raise money for new uniforms. The candle company charges the band $100 , plus $3.50 per candle. If the band sells the candles for $7.25 each, how many candles must the band sell to make a profit? Write an inequality and solve.

How can you decide witch operations to use to slice a two step equation

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?