Alex drove 2.3 km up a hill that has an angle of elevation of 189. How much elevation did he gain?

7(x - 2) = 3(x + 4) solve the following equation. then enter your answer in the space provided using mixed number format.

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?

Y= a(x-3)squared-1 what is the value of a