Rewrite the following expression w/o a negative exponent 1/4^-2 i mark brainliest!

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

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²