Answer:
It would be 4 months because with extreme fitness 10x4=40 then 40+50=90 then for ultimate fitness 15x4=60 then 60+30=90 so I took 4 months for both memberships to be the same
Step-by-step explanation:
Look at the answer above
Answer:
|2x|
Step-by-step explanation:
The square root symbol indicates the positive square root. That is, ...

Then the square root you show is ...

Answer:
7.07107cm
Step-by-step explanation:
d= 
Because 4x2 = 8, so 4x7=28, then you times 28 by 2 which equals 56 and 8x7=56
The given expression is :
2xx+3-5(x-2)
We know that, 

Aleena expands 2xx+3-5(x-2) as 2x²+3-5x-10. She is mistaken because the sign before 10 should be +10 instead of -10. Hence, the correct expanded form is 2x²+3-5x+10. Hence, this is the required solution.