Step-by-step explanation:
log54 = log(2×3³)
= log2 + log3³
= log2 + 3log3
<span>The z for $38.60 = (38.60 - 45)/16 = -0.4
</span>
<span>The percent of area associated with $38.60 = P(z < -0.4) = 0.34458 =34.46%
</span>
<span>The z for $57.80 = (57.8 - 45)/16 = 0.8.
</span>
<span>The percent of area associated with $57.80 = P(z < 0.8) = 0.78814 = 78.81%
</span><span>the percent of his expenses between $38.60 and $57.80 is (78.81 - 34.46) = 44.35%</span>
Answer:
y-14=11/8(x-18)
Step-by-step explanation:
m=(y2-y1)/(x2-x1)
m=(-19-14)/(-6-18)
m=-33/-24
m=33/24
simplify
m=11/8
y-14=11/8(x-18)
Attached the solution and work.