<span>The answer is: 16 .
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Explanation:
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8</span>² − 7² + 1 = 64 − 49 + 1 = 16 .
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Note: 8² = 8*8 = 64 ;
7² = 7*7 = 49.
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Answer:
1.
a) 40 b) 8 c) 27 2/3 d) 4
2.
a) 93 b) -95 c) -87 d) -81
Answer:
42
Step-by-step explanation:
It changes 42 cents each year
Answer:
Step-by-step explanation:
<u>Total cost of nuts, including the discount and the tax:</u>
- (0.1 + 0.13 + 0.26)*20*[(100- 30)/100]*[(100 + 5.25)/100] = 7.22 (rounded)
<u>Total cost of bolts, including the discount and the tax:</u>
- (0.45 + 0.52 + 0.63+0.93)*35*[(100- 45)/100]*[(100 + 5.25)/100] = 51.26 (rounded)
<u>Total amount Carl paid:</u>
Correct choice is B
