C + 5d = -13
4c - 5d = 48
Solve the simultaneous equations

c=__
d=__

50 points! antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1