Answer:
4
Step-by-step explanation:
3(a+2) = 26-2a
3a+6=26-2a
3a+2a=26-6
5a=20
a=20/5
a=4
Answer:
x>10 or x< -2
Step-by-step explanation:
There are two solutions, one positive and one negative, remembering to flip the inequality for the negative
x-4 >6 or x-4 < -6
Add 4 to each side
x-4+4 > 6+4 or x-4+4 < -6+4
x>10 or x< -2
Answer:
The numbers increase by 3
Step-by-step explanation:
The difference between all the numbers in the sequence have a gap of 3
9 and 12 --gap of 3
12 and 15--gap of 3
18 and 21--gap of 3
21 and 24--gap of 3
Answer:
C
Step-by-step explanation:
Black = 200 x 0.19 = 38
White = 200 x 0.12 = 24
