We have 3*4+2, or 14, by substituting in for x.
39×2÷6=13
13-5=8 mm. The other base of the trapezoid is 8 mm. Let check it:
1/2(8+5)×6
=1/2×13×6
=39 square mm. Hope it help!
Answer:
A: 2
Step-by-step explanation:
EDGE 2021
Answer:
15
Step-by-step explanation:
Let's call the mystery number x.

Hope this helps!
First let's rewrite it...
18a^2 + 20a + 8
Factor out a 2
2 (9a^2 + 10a + 4)