The additive inverse of a negative integer is a _
integer

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.