What is the inverse of y = -2/3x -7

Which matrix can be multiplied to the left of a vector matrix to get a new vector matrix ?

Giving ad is congruent to bc and angle bcd is congruent to angle adc prove d e is going to ce

Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut