This is C. cos Z = sin (90 - Y)
Answer:
99%
Step-by-step explanation:
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6.5*6.5=42.25
1.5*1.5=2.25
(6.5)^2-(1.5)^2=42.25-2.25=40
Answer:
11
Step-by-step explanation:
2 3/4 times 4 equals 11