The value pi/12 is the solution for the equation 2 cos^2 (4x) - 1 = 0 : true or false

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.

How to use order of operation in 20 divide by 4 multiply 5 = 1

Landon wrote that 3−2.6=4. which statement about his answer is true?