My friend sets out walking at a speed of $3$ miles per hour. I set out behind her $5$ minutes later at $4$ miles per hour.

When I start walking, how many miles has my friend traveled?

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)-144x+360 what am i doing wrong?

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days