What property is shown by the equation?
column a column b
1.
–27 • (–1) = 27
2.
–14 ÷ 1 = –14
3.
0 ÷ (–3) = 0
4.
a.
reciprocal property of multiplication
b.
identity property of division
c.
identity property of multiplication
d.
division into zero property
e.
negative one property of multiplication

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?

Aregular pan has a length that is 4/3 the width. the total area of the pan is 432in.2. what is the width of the cake pan?

Laura read 1/8 of a comic book in 2 days. she reads the same number of pages every day. what part of the book does she read in a week