A tire company produces a tire that has an average lifespan of 500 miles with a standard deviation of 25, The distribution of the lifespan of the tires is normalWhat is the probability that the tires last less than 525 miles

In a school 2/3 of the students study a language of those who study a language 2/5 study french

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

The trigonometric ratios sine and secant are reciprocals of each other