Answer:
8,10 ,12
Step-by-step explanation:
x
x+2
x+4
5x-18 =x+2 + x+4
5x-18=2x+6
3x=24
x=8
8*5=40 40-18= 22
10+12 = 22
Answer:
21 k^9
Step-by-step explanation:
(3k^4) (7k^5)
Multiply the coefficients
3*7 = 21
Add the exponents
k^(4+5) = k^(9)
Put back together
21 k^9
The answer is d because there is nothing before 1/4