The area of a triangle is 42 and can be found by using the formula A = 1/2bh. The height of the triangle is (x + 3) and the base of the

triangle is (2x + 8). Write and equation to solve to find the value

of x. Answer the questions below...

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?

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

How many grams the dog will eat in 3 days?