What is the solution to the system of equations?
y = –3x – 2
5x + 2y = 15
(–40, 19)
(–19, 55)
(19, –40)
(55, –19)

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Find the x-intercepts of the parabola withvertex (1,1) and y-intercept (0,-3).write your answer in this form: (x1,if necessary, round to the nearest hundredth.

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?