Answer:
-4
Step-by-step explanation:
Slope (m) =
ΔY
ΔX
=
-4
1
= -4
θ =
arctan( ΔY ) + 360°
ΔX
= 284.03624346793°
ΔX = 5 – 2 = 3
ΔY = -8 – 4 = -12
Distance (d) = √ΔX2 + ΔY2 = √153 = 12.369316876853
85 is the answer. 2+ 78 = 80 + 5 += 85.
Answer:
b ≥ 11
Step-by-step explanation:
b + 4 ≥ 15
b ≥ 15 - 4
b ≥ 11
<span>One cm represented 11 in. in the first scale, but now 1 cm represents 12 in. in the second scale.</span>