Answer:

Step-by-step explanation:
So, Tanvi started with b buttons.
And she gave away 17.
Since she "gave away," this means that we should use subtraction.
Therefore, she now has b-17 buttons.
Our expression is:

Answer:
Step-by-step explanation:
y=-2x+6.
since it is inverse the gradient has to be the opposite of the base equation : y =2x-6.
dont forget to put it as the brainliest answer if it helps.
Answer:
1:21
Step-by-step explanation:
Easiest trick way to do this is do 26/546 on your calculator (if you got a scientific one) this would simplify this to its lowest fraction which can be converted into a ratio in this case the ratio of teachers to students is 1:21
I’m a little confused by the question and the problem, is there a picture of the problem you could add?