Answer:
1) A
2) x = 60
Step-by-step explanation:
1) A cuz complementary these two angles add up to be 90 degrees
2) 2x - 30 = 90
2x = 120
x = 60
Answer: 8x
Step-by-step explanation:
Product stands for multiplication, so we need to use (×)
Let x = the number.
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The product of 8 and a number
8 × x=8x
Defined as the average of a set of numbers