Answer:option 3
Step-by-step explanation:
Step-by-step explanation:
The associative property for multiplication: <em>(a · b) · c = a · (b · c)</em>

Area of <span>parallelogram=base * height
so it is 12*9=108 yd²</span>
Answer:
-30, 2, -9
Explanation:
Coefficients are the constant quantity placed before and multiplying the variable in an algebraic expression.
(Including whether its a positive or negative)
Answer:
80
Step-by-step explanation:
m<B + 30 + 70 = 180
m<B = 80
m<D = m<B = 80
Answer: 80