Answer: x=2
Step-by-step explanation: f(x) = x + 8
f(x) = 10
10 = x + 8
minus 8 from the both sides
10 - 8 = x
2 = x
x = 2
Answer:
13 x^2 -6x -9
Step-by-step explanation:
8x^2-4x-3+5x^2-2x-6
Combine like terms
8x^2+5x^2 -4x-2x -6-3
13 x^2 -6x -9
Answer:
x = 5
Step-by-step explanation:
have a nice day
brainliest?
Answer: D, an equilateral triangle has three congruent sides.
Area is the quantity that expresses the extent of a two-dimensional region, shape, or planar lamina, in the plane. Surface area is its analog on the two-dimensional surface of a three-dimensional object.
The continuous line forming the boundary of a closed geometrical figure is called it's perimeter.
