Answer:
c
Step-by-step explanation:
x+x=90
2x=90 ,x=45 ,∆BAD=45
The prism of the surface area is 11200
Answer:
25% Decrease
Step-by-step explanation:
15/20 is 75%. 100-75 (since they read less) is 25%
i think you can do this one : )
Answer:
19
Step-by-step explanation:
f(x) = 3x^2-3x + 1
Let x = -2
f(-2) = 3( -2)^2-3*-2 + 1
= 3 * 4+6+1
= 12 +6+1
= 19