Answer:
AD = 85
Step-by-step explanation:
AD = AB + BC + CD ( substitute values , noting AB = CD = 20 ) , then
AD = 20 + 45 + 20 = 85
The correct answer is b, x < -3.
Since the area shaded is left of x = -3, x has to be less than -3.
Answer:
ODMAS
Step-by-step explanation:
ODMAS
First division then multiplication then addition and then subtraction
Answer:
, 
Step-by-step explanation:
you use the quadratic equation: (-b ±
) ÷ 2a
in this case, a = 5, b = 5, c = 8
inside the radical will be -135, hence using 135i where 'i' equals -1