I need help with this pls

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2