Answer: 
=
=
Step-by-step explanation:
In order to get from 8 to 56, we have to multiply by 7.
We always do the same to the top! 3 multiplied by 7 = 21.
In order to get from 7 to 56, we have to multiply by 8.
We always do the same to the top! 3 multiplied by 8 = 24.
Answer:
40%
Step-by-step explanation:
Total students = 30
No. of girls. = 12
Girls % = ?
Girls % = No. of girls/Total students * 100%
= 0.4 * 100
= 40%
Right triangle
Sin A = Opp./ Hypo. = BC/AC
Cos C = Adj./Hypo. = BC/AC
Answer is D.
Sin A = Cos C
Answer:
140
+168xy+49
+280x+154y+105
Step-by-step explanation:
(−14x+−7+−7y)(−10x+−15+−7y)
=(−14x)(−10x)+(−14x)(−15)+(−14x)(−7y)+(−7)(−10x)+(−7)(−15)+(−7)(−7y)+(−7y)(−10x)+(−7y)(−15)+(−7y)(−7y)
