Answer:
x=-2
Step-by-step explanation:
11x-21=7x-29
11x-7x=-29+21
4x=-8
x=-2
tan = opp/adj
x = 13(tan 45)
x = 13
//
a² + b² = c²
13² + 13² = 338²
square root of 338 is not a rational number so turn into mixed radical.
//


Yes agree 10 percent is expected
C because for every mile the cost increases be $4.75