This In Expression Form Is:
3r + 4t.
The Reason Why Is Because:
When You Triple r, That Is 3r, And When You Quadruple t, It becomes 4t. And Plus Means to Add. So, This Becomes 3r + 4t
I Hope this Helps!
there are 18 marbles all together
4 are red
18÷4= 4.5
percent 4.5%
fraction 4 1/2
decimal 4.5
I'm not sure about the second hald but I hope this helped ^^

Length of the room is 5 m and width is 5 + 2 = 7 m.
Hope this helps.
r3t40
Answer:
y=16(x)+7(y)
y=16 + 7
y=23
im not sure bc is nt info but i think i this
Step-by-step explanation:
{ (-2, 0), (-4, -3), (2, -9), (0, 5), (-5, 7)}
The range:
{ y | y = -9, -3, 0, 5, 7 }