Answer:
x = 4.
Step-by-step explanation:
These are exterior alternate angles which are congruent.
So 21x + 6 = 90
21x = 84
x = 4.
Answer:
Volume= 10 cm³
Step-by-step explanation:
Answer:
The mathematical sciences are a group of areas of study that includes mathematics.
Step-by-step explanation:
Least common multiple of 4 and 12 is 12.
Answer: C
<u>Step-by-step explanation:</u>
A) not completely factored because 2 can be factored out of 2x + 4
B) not completely factored because 3 can be factored out of 3x - 9
C) CORRECT
D) not factors because the terms are added instead of multiplied
