Answer:
x=37
Step-by-step explanation:
angles inside a triangle add up to 180
add all angles equal to 180
(x+10)+(3x-5)+(x)=180
remove parenthesis, combine like terms
5x-5=180
add 5 both sides
5x=185
divide by 5
x=37
angles: 37, 47, 106
Answer: -100
Step-by-step explanation:
-121 - -100 = -21
100 because 39.99+.15 multiplied by 100 equals 44.99 dollars.
300(t) = ?
300(8) = 2,400 miles were travelled in 8 hours
