Answer:
B. -5.
Step-by-step explanation:
fg(x) = (x - 1)(5x^2 + 19x - 3)
= 5x^3 + 14x^2 - 22x + 3
So fg(-4) = 5(-4)^3 + 14(-4)2 -22(-4) + 3
= -320 + 224 + 88 + 3
= -5.
Answer:
C. Scalene triangle
Step-by-step explanation:
What I would do is add all of the angles to 180 and then solve for x.
6x + 10 + 7x + 15x + 2 = 180
28x + 12 = 180
28x = 168
x = 6
Then, plug in 6 for each expression to find each angle
6(6) + 10 = 46
7(6) = 42
15(6) + 2 = 92
Since none of the angles are equal and one of the angles is over 90 degrees, triangle GFH is a scalene triangle
Answer: 
Step-by-step explanation:
0.13m = 130mm
using the conversions : 1m = 100cm and 1cm = 10mm
then 0.13m = 0.13 × 1000 = 130mm
