Answer:
(-∞,∞)
Step-by-step explanation:
This function is a line, with a positive slope, that never ends, so the range is negative infinity to positive infinity (non-inclusive).
Answer:
10t-2b-2
Step-by-step explanation:
5+2-2123
877.7 is the correct answer!
Answer:
49
Step-by-step explanation:
side 1 = |18-3|= 15
side 2 = |12-3| = 9
side 3 = |16-4| = 12
side 4: 
perimeter = 15 + 9 + 12 + 13,4= 49,4 = 49