The square of 9 less than a number is 3 less than the number. what is the number?

a) –12 or 7
b) –12 or –7
c) –7 or 12
d) 7 or 12

Twenty-five percent of the customers entering a grocery store between 5 p. m. and 7 p. m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

The bolo cavern outside of vandalia is 421 ft below sea level. a little more than75 miles away. mt owens is 7295 feet above sea level. what is the difference in elevation between the bolo cavern and mt owens?

The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?