Answer:
9.8
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
The expression can be written as

The - can be taken out from under the radicand and a 2 can be factored out of the expression to leave you with the expression

9x+3x=180 by def. of supplementary
12x=180
12/12x=180/12
x=15
9x=9(15)=135°
Answer:
$10.50
Step-by-step explanation:
We can make an equation
2.50+2x=?
x=4 because we are riding 4 miles.
so it's 2.5+2*4=?
let's solve
2.5+8=$10.50