Who for sure can help me with something its due tonight if you cant dont answer

Explain how you might determine the rate of weathering on a sample rock

Find an equation in standard form of the parabola that passes through (-2, 9), (-4, 5), and (1, 0)

Many students are as or more stressed out than their adult parents/guardians. do you believe this is true or not? use evidence from the article to answer this question is claim-evidence-reasoning format.