Aford focus and a freight liner truck leave an intersection at the same time. the focus heads east at an average speed of 30 miles per hour, while the truck heads south at an average speed of 40 miles per hour. find an expression for their distances apart d (in miles) at the end of t hours.

step-by-step explanation:

one of the most important purposes of surface treatment is to alter surface properties according to the requirement of specific applications. for example, hydrophobic coating has been utilized on windshield and eyeglasses. gold atom monolayer on substrate has become a popular surface bioconjugation strategy.  

the formula of a slope:

we have the points (-2, 7) and (2, 3). substitute:

a triangular prism is a 3 dimensional shape composed of triangles and rectangles. it is made from two triangular bases and three rectangular sides.