Combine like terms.
14x7 - 9x + 2x2 + 3x7 - x2 -3x

Which of the following is the equation of a line that passes through the point (1,4) and is parallel to the x-axis a. y=1 b. y=4 c. x=1 d. x=4

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

[15 points, algebra 2]simplify the complex fraction and find the restrictions.