HELP ASAP

What is the minimum using this equation?

y=0.04x^2+0.84x+2

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)

Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?

Jessie and bob are financing $425,500 to purchase a house. they obtained a 30/8 balloon mortgage at 6.55%. what will their balloon payment be?