HELP NEEDED ASAP WILL MARK BRAINLIEST IF CORRECT

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

What is the radius of the cone in the diagram? round your answer to the nearest whole number

In order for the function to be linear, what must m be and why? m = 22 because the rate of change is 1. m = 20 because the rate of change is 3. m = 22 because the rate of change is -1. m = 20 because the rate of change is -3.