Penny invested $320 at the start of the year. At the end of the year, she had $345. What is the annual effective yield of her investment? Input your answer as a percentage to two decimal places but omit the % sign (7.2564% should be input as 7.26.)

Using the given statements, state whether the conditional statement is true or false. p: 2 + 2 = 4 q: 7 + 1 = 7 is p q true or false?

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?