Answer:
b=99°
Step-by-step explanation:
108°+72°+81°+b=360°
b=99°
Answer:
Step-by-step explanation:
Answer:
Step-by-step explanation:
(6x+1)4 = 124
6x+1 = 31
x = 5
Answer:
y = 1/2x - 3/2
Step-by-step explanation:
The easiest way to find the inverse is to switch x and y and solve for y.
y = 2x + 3
x = 2y + 3 (Switch)
x-3 = 2y (Subtract y from both sides)
x/2 - 3/2 = y (Divide both sides by 2)