Write the standard form of an equation with p = 10, Ø = 30 degrees

The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.

When i'm with my factor 5, my prodect is 20 .when i'm with my addend 6' my sum is 10.what number am i