Guillermo is standing 112.5 m from an office building. The top of the building is at an angle of elevation of 39⁰. If Guillermo’s eyes are 1.6 m off the ground, what is the height of the building to the nearest tenth of a metre?

Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots

How do i do this activity, is appreciated

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.