The city of St. Louis is creating a welcome sign on a billboard for visitors to see as they enter the city. The following picture needs to be enlarged so that ½ inch represents 7 feet on the actual billboard. Will it fit on a billboard that measures 14 feet in height?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Find the multiplicative inverse of 8-12i

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?