Answer:
10x+15
Step-by-step explanation:
5 x 2x=10x
5x3=15
Answer:
35
Step-by-step explanation:
I hope this helps you.
12+24=38
38÷6=31
31+4=35
Answer:
the awencer is 4.2
Step-by-step explanation:
I think the slope =21 m
i am not confirm if its not correct
Answer:

Step-by-step explanation:
<u>Use identities to set the equation up as a quadratic</u>

<u>Make the substitution u=cos(x) and solve the quadratic</u>
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Hence, 