A carpenter bought 750 nails. Each nail has a mass of 5.2×10 to the -3rd power kilogram. What is the total mass, kilograms, of the nails the Carpenter bought? Give your answer as a decimal.

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position