Answer:
3f
Step-by-step explanation:
f+f+f=3f
since every f has the same value
example
2+2+2=3(2)
6=6
Answer:28
Step-by-step explanation:
3^x=5
3^2x+3
(3^x)^2 + 3
Substitute 3^x=5 in (3^x)^2 + 3
5^2 + 3
5x5+3=28
D h= -1.k= this is the correct answer
Answer:
11
Step-by-step explanation:
15+18=33
33/3=11
IF DENISE CUTS EACH IN 3 FEET , SHE CAN GET 11 PIECES
IF SHE CUTS IN 11 FEET , SHE CAN GET 3 WOOD PIECES
THE SIZE OF SHELVES IS NOT MENTIONED SO THIS ANSWER IS CORRECT