To figure this out, fill in the blanks and do the math:
x seconds in a minute
x minutes in an hour
x hours in a day
x days in a year
x miles per second (speed of light) =
miles in one light-year.

Sienna planned a trapezoid-shaped garden, as shown in the drawing below. she decides to change the length of the top of the trapezoid-shaped garden from 32 ft to 24 ft. which expression finds the change in the scale factor?

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

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?