<span><u><em>Answer:</em></u>
(5 * 1) + (9 * 0.1).<span>
<u><em>Explanation:</em></u>
To write a number in expanded form you have each digit multiplied by its numbers place and add each digit together. 5 is in the ones place so it becomes (5 * 1).
9 is in the tenths place so it becomes (9 * 0.1).
add them together to get (5 * 1) + (9 * 0.1)</span></span>
They equal to 180 because they are supplementary angles
D. X = 10
6x-20= 40
6x=40+20
6x=60
X=10
Answer:
v=0.79x+3.99
f=1.89x+5.49
combined cost: 2.68×+9.48
