Can someone help me find the slope?

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

The ratios 3: 9, 4: 12, 5: 15, and 6: 18 are a pattern of equivalent ratios in the ratio table. which is another ratio in this pattern?

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.