a new bridge structure requires triangles that are in a ratio of 1: 1. if ac = 4x − 3 and ec = 2x + 6, find the distance between the top and bottom of the bridge, in feet.

4.5 ft
15 ft
18 ft
30 ft

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

Tim has obtained a 3/27 balloon mortgage. after the initial period, he decided to refinance the balloon payment with a new 30-year mortgage. how many years will he be paying for his mortgage in total?