10y−7z
Plug in the numbers for y and z.
(10)(9)−(7)(3)
= 69
Answer:
69
Step-by-step explanation:
10y-7z
<u>Plug in y and z</u>
10(9)-7(3)
<u>Solve using order of operations</u>
90-21=69
you average the scores by adding scores from exam 1 and exam 2 then divide it by 2 to average the exam scores
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.05×500=25
This question is super easy.
Hope this helps!
Thanks!
-Charlie
