Answer:
0
Step-by-step explanation:
3ab + 5b - 6 when a = -1 and b is 3
→ First substitute a and b into 3ab
3 × -1 × 3 = -9
→ Substitute b into 5b
5 × 3 = 15
→ Connect all the terms together
-9 + 15 - 6
→ Simplify
0
Answer: The required expression will be

Step-by-step explanation:
Since we have given that
Amount that Liam has = $250
Amount that he and his classmates spent on present for their teacher =$p
Number of students in which $p will split = 24
According to question,
Amount that left to Liam is given by

Hence, the required expression will be

Secxcotx=cscx
1/cos * cos/sin =cscx
cos/sincos=csc
1/sin=csc
Answer:
See attachment
Step-by-step explanation:
- <em>Remember: height is always perpendicular to the base</em>
<em>See attached for answer</em>
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