H e l p !!

is this table a linear function?

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

What signals you that factoring by grouping is the best method to use when factoring a problem?

(05.08a)triangle abc is transformed to similar triangle a′b′c′ below: a coordinate plane is shown. triangle abc has vertices a at 2 comma 6, b at 2 comma 4, and c at 4 comma 4. triangle a prime b prime c prime has vertices a prime at 1 comma 3, b prime at 1 comma 2, and c prime at 2 comma 2. what is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5