We need to simplify the expression:

Now, we know that we can resolve the exponents of the variables with the like terms only and we can multiply the coefficients independently:
Now,

On simplifying the above expression we get:




So the simplified form of the expression
.
We are asked to find 7 is what percent to 30.
We will use proportions to solve our given problem.
Let us assume that 7 is n% of 30. So we can set a proportion as:

Let us solve for n.




Therefore, 7 is
of 30.
Answer:
400
Step-by-step explanation:
354>=350 and thus is rounded upwards to 400.
Answer:
2.2.6
Step-by-step explanation:
Answer:
Texting speed
Step-by-step explanation:
It's the dependent variable