- Un patio de forme carrée est constitué de 400 dalles carrées mesurant chacune 30 cm de core On désire remplacer ces dalles par des dalles rectangulaires dont les dimensions sont de 10 cm
sur 20 cm. Combien de dalles rectangulaires faudra-t-il pour remplacer toutes les dalles carrées?

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.

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2