Quite a vague question, I used desmos to graph the attached photo.
Answer:

Step-by-step explanation:
It is saying to subtract 3 from the product of 2 and the variable, y.
Answer:
C = 60pi cm or approximately 188.4 cm
Step-by-step explanation:
The circumference of a circle is given by
C = 2 * pi *r
C = 2* pi * 30
C = 60 pi
We can approximate pi by 3.14
C is approximately 60*3.14 or 188.4
To find out how dimes you multiply 7 and 6 and you get 42 dimes
and it says she finds one nickel so you have 1 nickel
Hope this helps!!!