Show that the equation y -4 equals two times 3x +4 is linear and then tell if it represents a proportion or or non-proportional relationship between x and y

Identify the conclusion of the conditional statement. if you live in phoenix, then you live in arizona.

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

Angle a and angle b are both supplementary angles. what must be true about the angles?