Can someone help me solve this proof for properties of equality geometry ty

Agrain trader buys the following amounts from three suppliers: 3,200 pounds, 5,100 pounds and 700 pounds. what is the total weight of his purchase?

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .