Answer:
24x + 15
Step-by-step explanation:
You multiply 24 and x together, then add 15 to the sum.

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Answer:
x= 68.19°
Step-by-step explanation:
you can use inverse of cos(x)
(
) =68.19°
∴ x=68.19°
Use A = P(1+r/n)^(nt).
Here, A = $3000(1+0.07/12)^(12*6). Can you evaluate this?