Answer:
70
Step-by-step explanation:
y-19 greater than 51
y greater than 51 +19
y is equals to 70
Answer: option a.
Step-by-step explanation:
Given the expression
, you need to remember:
The Product of powers property:

The Power of a power property:

And:
![\sqrt[n]{a^n}=a](https://tex.z-dn.net/?f=%5Csqrt%5Bn%5D%7Ba%5En%7D%3Da)
Therefore, as the index of the radical is 2, you can rewrite
as:

Rewrite this and simplify. Then:


This matches with the option a.
Shorter <span>piece = x
longer </span><span>piece = 4x
x + 4x = 48.5
5x = 48.5
x = 48.5/5
x = 9.7 cm </span>← shorter piece
longer piece = 4x = 4 * 9.7 = 38.8 cm
Answer:
C
Step-by-step explanation:
I could not remeber since it is the next day, since exams sorry :/
Answer:
it depends on how many students there are in each grade.