How many solutions does this linear system have? one solution: (0, -1)
one solution: (1, 4)
no solution
infinite number of solutions

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.

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base