Find the value of a so that the function has the given value
k(x)=6x-12; k(x)=18

so we substitute in K(x) into the equation K(x)=6x-12

which gets us: 18=6x-12

6x=30

x=5

step-by-step explanation:

given perimeter: 28cm

length: 9cm

atp,

2(l+w)=p of the reactangle

2(9+x)=28

18+2x=28

2x=28-18

x=10/2

x=5

therefore width is 5 cm

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d