The last one (-1,0) (2, 15) (20)
Answer:

Step-by-step explanation:
we have

Eliminate the parenthesis

Group terms that contain the same variable

Combine like terms

Note: to round to the nearest ten, look to the first place digit. if it is 5 or greater, round up, if 4 and lower, round down
<em>124 rounded to the nearest ten = 120</em>
<em>38 rounded to the nearest ten = 40</em>
<em>71 rounded to the nearest ten = 70</em>
<em>207 rounded to the nearest ten = 210
120 + 40 + 70 + 210 = 120 + 110 + 210 = 230 + 210 = 440
440, or C </em>is your answer
hope this helps
Answer: 1:2
Step-by-step explanation:
BC= 6m
RS= 12m
BC/RS = 6/12
in simplest form 1/2
CLICK ON THE POIN AND SCHROOL DOWN