6. A pencil costs $2 less than a notebook. A pen costs 3 times as much as a pencil. The pen costs $9. Write and solve an equation to determine the cost of the notebook and the cost of the
pencil.

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

Mr. t has been dating his girlfriend for one year nine months and six days how many hours has mr. t been in a relationship

Ameteorologist is studying the monthly rainfall in a section of the brazilian rainforest. she recorded the monthly rainfall, in inches, for last year. they were: 10.4, 10.3, 11.7, 11.1, 8.0, 4.4, 2.6, 1.8, 2.5, 4.4, 7.3, 9.5 fill in the missing values in the formula. what is the variance?