Which expression is equivalent to (7^3)−2
a- 1 over 7 times 7 times 7 times 7 times 7 times 7
b- 7
c- 1 over 7
d-negative 1 over 7 times 7 times 7 times 7 times 7 times 7

After applying the composition r0.90 ry to rs what are the coordinates of r' and s'? a.r'(–3, 1),  s'(–3, 5)b.r'(–1, 3),  s'(–5, 3)c.r'(1, 3),  s'(5, 3)d.r'(5, 3),  s'(1, 3)

What is the rotational symmetry of a wheel

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.