Javier was asked to evaluate the expression 12y + 3y when y=1. Javier simplified the expression to 15y before finding the answer. Are the expressions 12y + 3y and 15y equivalent? A. No, because both expressions are equal 15 when y = 1.

B. Yes, because both expressions equal 15 when y = 1.

C. No, because both expressions do not equal 15 when y = 1

D. Yes, because both expressions do not equal 15 when y = 1​

Polygons efgh and e′f′g′h′ are shown on the coordinate grid: what set of transformations is performed on efgh to form e′f′g′h′? a. a translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin b. a translation 1 unit to the right followed by a 90-degree counterclockwise rotation about the origin c. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the right d. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the left

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? –1 0 2 3