Classify the system and identify the number of solutions.
x − 3y − 8z = −10
2x + 5y + 6z = 13
3x + 2y − 2z = 3

consistent; dependent; infinite
consistent, independent; one
consistent, dependent; none
inconsistent; none

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth

You have just applied, and have been approved for a $58,000 mortgage. the rate quoted to you by the lender is 6.1% for a 30 year fixed mortgage. determine how much of your third month’s payment goes towards the principal. $56.65 $56.93 $57.22 $57.51

One angle of a linear pair is 10 more than two-thirds the other angle. find the measure of both angles.