A2 Algebraic Vocabulary 1) State whether each of the following is an expression, an
equation or an inequality:
a) 2x + 4 = 9
b) 3x + 4y
c) 5a-1 <10
d) 6b+ 7d=20
e) 9 < 5x

Use the quadratic formula to solve 5x=6x^2-3,what are the values of x?

To prove that def ~ gfh by the sss similarity theorem using the information provided in the diagram, it would be enough additional information to know that

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?