Which formulas represent linear relationships? Select all that apply. the area of a triangle whose height and base are the same, A =
2
?
the perimeter of a regular octagon, P = 8s
2.
the surface area of a cube, SA = 6a
the perimeter of a semicircle, P = r + 2r

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons

its a straight line parallel to the time axis

the multiples of 15 are 15, 30,45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195,   210, 225, 240, 255, 270, 285, 300, 315, 330, 345, 360, 375,   390, 405, 420, 435, 450, 465, 480, 495, 510, 525, 540, 555, 570, 585, 600, 615, 630, 645, 660, 675, 690, 705, 720, and 735.

the factors of 15 are 1, 3, 5, and 15.

hope that , fam!

-une, your fren : )