Someone please help out. How do I solve this?

b = 15

Step-by-step explanation:

since line UV and TW are congruent you can take both of numbers on those lines and turn it into an equation.

2b - 15 = b

first, subtract 2b from both sides, you're left with -15 = -b

then, divide each side by -1

-15 divided by -1 turns it into a positive 15 which is b.

x = ± 6i

step-by-step explanation:

x^2 = -36

take the square root of each side

sqrt(x^2) = sqrt(-36)

we know sqrt(ab) = sqrt(a) sqrt(b)

x = ±sqrt(36) sqrt(-1)

we know that sqrt (-1) = i

x = ± 6i

squares, rhombus, rectangles