Answer:
5) y=5
6)x=7
7)a=18
Step-by-step explanation:
5) y= any number will work. don't add a variable like x
6)x= any number will work. don't add a variable
My work for 7 is in the picture. If you'd like me to explain more for 7 lmk :)
A.All squares of 4 right angles
B.All parallelograms have 4 right angles
22965.9
multiply the length value by 3281
x=3
hope this answers is ok na