Answer:
many things.
An algebraic expression is a variable expression is a combination of terms by the operations such as addition, subtraction, multiplication, division.
- here the algebraic expression is an addition
We know that
[<span>Rachel's new average]=[6*83+97]/7-----> [498+97]/7----> 595/7----> 85
the answer is
</span><span>Rachel's new average score is 85</span>
Answer:
g=(2-3f)/f
Step-by-step explanation:
The nth term of the sequence is 3n-9.
Now replace n with 22.
57 is the 22nd term of this sequence.
Answer:
Helen is 24; Robert is 39
Step-by-step explanation:
If Helen's age is x, Robert's age is x + 15. We can write:
x + x + 15 = 63
2x + 15 = 63
2x = 48
x = 24
This means that Helen's age is 24 and Robert's age is 24 + 15 = 39.