Y=2
If you subtract 9-7 you get the answer 2 which makes y=2.
Answer:
Mean = 19.5
Step-by-step explanation:
Mean = sum of numbers ÷ Amount of numbers
Mean = 
Mean = 
Mean = 19.5
6.5 times 4 and 13 times 2
Answer:
9 : 1
Step-by-step explanation:
given a linear ratio = a : b, then the corresponding area ratio is
a² : b²
Here the linear ratio of their edges = 3 : 1, hence
ratio of surface areas = 3² : 1² = 9 : 1
Answer:
x= -10
Step-by-step explanation:
Divide both sides by the numeric factor on the left side, then solve.
x = − 10
plz brainliest :'D