<span>B. 2d^2+6d-7. Should be the correct answer.</span>
XZ = square root (16^3 + 63^2)
XZ = square root (256 + 3969)
XZ = square root (4225)
XZ = 65
sin(Z) = 16 / 65
answer is A. 16/65
7 miles per hour you can find this answer by doing 28 divided by 4.
