An archaeologist estimated that a fossil was 520 years old. It was actually 500 year- old, What was the percent error?

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"

What is the factor form of x^2-9x+14

Elm street is straight. willard's house is at point h between the school at point s and the mall at point m. if sh = 3 miles and hm = 4.5 miles, what is the value of sm in miles?