john's goal is to have more than -7 dollars in his bank account by the end of the month. the variable d is the number of dollars in john's bank account at the end of the month. write an inequality in terms of d that is true only if john meets his monthly goal.

Find the quotient. 50a2 – 98b2 -5a +7b

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

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?