The altitude is 177 feet below sea level after being lowered.
The balloon rises 120 feet after 12 seconds and then is dropped 15 feet. So 120 - 15 = 105. And 282 - 105 = 177
.21 is decimal form, 21/100 is the fraction in simplest form.
Question: 2x - 4 + 5x
Simplified: 7x - 4
If there aren’t any degrees and it doesn’t state that the triangle is equilateral then you cannot solve this equation without more information
