Prove that .
Tan(a+b-c)+tan(b+c-a)+tan(c+a-b)= tan2a. tan2b. tan2c​

Evaluate 3(a + b + c)squared for a = 2, b = 3, and c = 4. a. 54 b. 243 c.729 add solution .

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid