Y=-2(x+π/2)-1 is the equation. I need the amplitude, period, unit, phase shift, and vertical shift

f(x)=-3sin(2x-π/4)+2 is the equation. I need the stretch, period, unit, phase shift, and vertical shift.

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

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why?

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.