diff --git a/spec/02_array_spec.rb b/spec/02_array_spec.rb
index d43379d..a288fa8 100644
--- a/spec/02_array_spec.rb
+++ b/spec/02_array_spec.rb
@@ -72,12 +72,13 @@
 describe Array do
   context 'when updating an implicit subject' do
     # remove the 'x' before running this test
-    xit 'is empty' do
-      # Write a test to expect the subject to be empty.
+    it 'is empty' do
+      expect(subject).to be_empty
     end
 
     # remove the 'x' before running this test
-    xit 'updates length to 1' do
+    it 'updates length to 1' do
+      subject << 1
       # Update the implicit subject to make this test pass.
       expect(subject.length).to eq(1)
     end
@@ -85,14 +86,15 @@
 
   context 'when using one let variable on two tests' do
     # Make a let variable that will pass both tests.
+    let(:lucky_numbers) { [39, 1, 2] }
 
     # remove the 'x' before running this test
-    xit 'has length of 3' do
+    it 'has length of 3' do
       expect(lucky_numbers.length).to eq(3)
     end
 
     # remove the 'x' before running this test
-    xit 'has sum of 42' do
+    it 'has sum of 42' do
       expect(lucky_numbers.sum).to eq(42)
     end
   end