In line one she forgot to multiply 4 on the left side by -1
320=30+15s
290=15s
S=19.33
S=19
19 student tickets.
Answer:
firstly you know the term of multiplication
like 5*2=10 ,10*2=20, 20*2 =40 and 40*2 =80
and last three numbers are 80, 160,320
Answer:
8 is your answer
Step-by-step explanation:
Hope this helps sorry if I'm wrong
Answer:

Step-by-step explanation:
Hi!
So, a radical is basically a fractional power.
Square roots are numbers to the 1/2.
For example, the square root of 4 is just
, or 2.
So for cube root, the 1/2 changes to a 1/3.
This can then be rewritten as 
or 