Answer:
9x+27
Step-by-step explanation:
3x(4−1)+6+21
=9x+6+21
Combine Like Terms
=9x+6+21
=(9x)+(6+21)
=9x+27
The second one, and you as well ☺️
Answer:
Step-by-step explanation:
Simply put, it is similar to finding the area of a circle.
Therefore, a=pi*r^2
a=pi*23^2
a=529pi
a=1661.9 ft^2
Answer:
D. Collinear
Step-by-step explanation:
Three points lying on a line are collinear because they share the same line.
the rest of the options can be ruled out because the points can not be congruent due to lack of distance information and the same goes for midpoint and equal.
Answer:
4x^2 +3x -7
Step-by-step explanation:
(4x^2 – 2x) + (5x - 7)
Combine like terms
4x^2 -2x+5x -7
4x^2 +3x -7
