Which step should be completed first to solve the equation --2 = 3z + 4 ?
a.
add 2 to both sides.
b.
subtract 4 from both sides.
c.
divide both sides by 3.
d.
add 4 to both sides.

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?

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

I’m still confused on how to work the percentages