19 x 1 = 19 and 1 x 19 = 19
Answer:
I think its y^-3
Step-by-step explanation:
Since y^-3/y^-2 are both negatives they would swap places to become positive - y^2/y^3
then using rules of exponents you would subtract the exponents witch would be y^-3
Here are the pairs:
(from the left)
First group: 3rd graph, y = x - 2, table g
Second group: 2nd graph, y = 2x, table b
Third group: 1st graph, y = x + 2, table m
75. As she is going up, 15 stairs have been passed by the escalator moving. When she goes down same thing
Answer:
77
Step-by-step explanation:
just do 500-423
