Simplify: 3x[(2x6-5) + (8\4)] -1 the \ means divide

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

The lengths of the two sides of a right triangle are 5 inches and 8 inches what is the difference the possible lengths of the third side of the triangle

Number patterns 54, 18, 6, 2, 2/3, what are the next 2 terms?