The sum of two numbers is 28. the first number is 7 more than twice the second number. let a represent the first number. let b represent the second number. what is the second number?

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units

Match the one-to-one functions with their inverse functions.