Answer:
86
Step-by-step explanation:
Simple. Multiple
Monday: 6x9.75
Tuesday &Wednesday: 5x9.75
Thursday & Friday: 7x9.75
2 (l + w) = 36
l + w = 18
2x + 7x = 18
9x = 18
x = 2
the length of the sides
l = 2x
l = 2(2)
l = 4
w = 7x
w = 7(2)
w = 14
the answer is 87 60% or 145 = 87
Psychology
<span>z =(48-87)/14 </span>
<span>z = -2.796 </span>
<span>Economics </span>
<span>z =(52-53)/8 </span>
<span>z = -0.125 </span>
<span>The score of Economics is better.</span>
