X - 150 = y
x - y = 50
x + y = 180
x = y + 60
what is x?

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?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?