Marisha walks 8 miles in 5 days. If she walks at the same rate, how far does Marisha walk in 40 days?

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?

What is the standard form of -5x^2+2x^4-11+x^3+3x

Three times the sum of a number and seven is negative thirty-six. what is the number?