Answer:
<h3>The answer is 243.</h3>
Step-by-step explanation:
To evaluate the expression substitute the values of a , b , c and d into the above expression
a = - 9
b = - 7
c = 9
d = 3
So we have
2cd + 3ab = 2(9)(3) + 3(-9)(-7)
= 2(27) + 3( 63)
= 54 + 189
We have the final answer as
<h3>243</h3>
Hope this helps you
Answer:
9
Step-by-step explanation:
54+81=9(6+9)
9 times 9 equals 81
Answer:

Step-by-step explanation:
Diameter = 12
Radius = 12/2 = 6


Same thing (0, -6) if I’m not mistaken