Which equation has no solution?
a. 7y+9=-7y-9
b. 5x+2=5x-3
c. 4v-3=4v+6-v
d. 2z+1=3z-z+1

The inside wheels of a car traveling on a circular path are rotating half as fast as the outside wheels. the front two wheels are six feet apart. what is the number of feet in the path traced by the inside front wheel in one trip around the circle? express your answer in the form "k \pi", where k is an integer.

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

Use the data on the dot plot to answer the question. how many people read for more than three hours last week? i'm on a unit test review