Answer:
the first and last ones
Step-by-step explanation:
Answer:
Third option
Step-by-step explanation:
Answer:
4.5
Step-by-step explanation:
→ Set up the direct proportion equation
z = kx
→ Substitute in the values
12 = 3k
→ Divide both sides by 3 to isolate k
4 = k
→ Substitute the value of k back into the original direct proportion equation
z = 4x
→ Substitute the value of z in
18 = 4x
→ Divide both sides by 4 to isolate x
4.5 = x
2[5+2(8-6)]
2[5+2(2)]
2[5+4]
2[9]
18
Hi I don’t really understand can you explain a little bit please