Select all of the equations with a solution of x=3
a. x-2(x+4)=x+2
b. 1/4x+7=31/4
c. 1/2x-4=2
d. 0.4x-0.8(x-4)=1.3x-1.9
e. 3(x+4)-x=18

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0

Someone answer this asap for the first five terms of a sequence are shown. 5, 11, 23, 47, 95, . . which recursive function defines the nth term in the sequence for n > 1? a. f(n) = f(n - 1) + 6 b) f(n) = f(n - 1) + 48 c) f(n) = 3 • f(n - 1) + 1 d) f(n) = 3 • f(n - 1) - 4

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6