A; b; c; d = first; second; third; fourth shelfa + b + c + d = 250 cmb = 2a + 18c = a - 12d = a + 4in terms of a, plug all equations into originala + (2a + 18) + (a - 12) + (a +4) = 2505a + 10 = 2505a = 240a = 48b = 2(48) + 18b = 96 + 18b = 114 cm/1.14 m
3/7 as a decimal is .4285 and so on.
This is obviously less than .55
Answer:
The slope is 4/5
Step-by-step explanation:
m = rise/run
(-3,1) and (2,-3)
4/5
m = 4/5
Answer:
35 ( B )
Step-by-step explanation:
160-20 =
140
140/4 =
35