Which of the following is an arithmetic sequence?

a) -2, 4, -6, 8,

b) -8, -6, -4, -2,

c) 2, 4, 8, 16,

any is greatly appreciated!

If you have the following equation, 2/3x+5/6-x=2-3/4x what would you multiply each term by to get rid of all the fractions

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?

Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.