Between which two integers does the value of 88 lie

Horace's speedometer reads 60 miles per hour, but during a road test he finds that he was actually driving 58 mph. what is the percent error in horaces speedometer?

What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum