Answer:
-4c + 5d
Step-by-step explanation:
3 - 7 = -4, so c is equal to -4.
Since there is only one value for d, d stays the same as 5d.
hope it helps uh............
x = 16
y = 16√3
sin(30 degrees) = 1/2
x = 32/2 = 16
cos(30 degrees) = √3/2