1) quadrilateral abcd is a square. if ab=5+3x and bc= 20-2x , what is the length of / cd
a) 3
b) 50
c) 15
d) 14
2) cindy has 500 feet of fencing around a rectangular pen that has a width of a feet and length of b feet. this is represented by the equation 2 (a+b) =500 cindy plans to change the width of the pen and wants to solve for b to see how the new length will be affected. which equation shows a correct solution for b in terms of a?
a) b=a- 500/2
b) b= 500/2 -a
c) b= 500-a/2
d) b=a-500/2
number answers so i know which answer is for each question.
for your : )