Need is it 4 and 0.003 is 1/10 of what plz

What is the value of x in the equation 6(x + 1) – 5x = 8 + 2(x – 1)?

The height of a triangle is 4 in. greater than twice its base. the area of the triangle is no more than 168 in.^2. which inequalitycan be used to find the possible lengths, x, of the base of the triangle?

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm