Write the phrase as an algebraic expression. (use "n" as the variable and +, -, x,/ as operation symbols) The product of 9 and a number. PLZ HELP HURRY​

Consider the line y = -3/-2 x +6. find the equation of the line that is perpendicular to this line and passes through the point (-9,-3). find the equation of the line that is parallel to this line and passes through the point (-9,-3).

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.