Answer: I don't know about the formula, but consider the logic below.
Step-by-step explanation:
Martina = 12
Joey = 0
12 x 3 = 36
36 - 3 = 33
If Joey was 21, Martina would be 33.
Answer:
D. 150 metres
Step-by-step explanation:
speed = (60) times 5/18 = 50/3
lenght of the train = (speed x time)
lenght = 50/3 times (9)
= 150 m.
Answer:
Answer:(15,65) (30,60)(45,55)
Step-by-step explanation:
Sorry for that kid that did not answer
Answer:
=(-1,-5)
Step-by-step explanation:
y=X1=4
y=-2x-5-2
Answer:
B and C
Step-by-step explanation:
Both of these equationa can be used to find the length of each pencil