Answer:
8
Step-by-step explanation:
(a)
= 400
(b)
(c) Only the positive solution makes sense because you cannot have a negative side length.
(d) Since one side of the painting is 20 inches, all four sides together will be 20*4 = 80 inches
Answer:
17
Step-by-step explanation:
32+2=34
34/2= 17
The answer is 90,000 because 10 to the power of 4 is 10,000 times 9 is 90,000