What is the range of y=3cosx-1? a) -4 ≤ x ≤ 4 b) -4 ≤ x ≤ 2 c) -3 ≤ x ≤ 3 d) -2 ≤ x ≤ 0

Ac contractor is building a new subdivision outside of the city. he has started work on the first street and is planning on the other streets to run in a direction parallel to the first. the second street will pass through (-2,4) find the equation of the location of the second street in standard form. a.2x+y=2 b. x-y=2 c.2x+y=2 d.x+y=2

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

Me. i can't figure out this question. give an explanation too. .