the two lines graphed below are not parallel. how many solutions are there to the system of equations

Sarah used her calculator to find sin 125 degrees. she wrote down sin sin125 degrees.57. how could sarah recognize that her answer is incorrect?

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955

The continuous random variable x is uniformly distributed over the interval [–1,3]. find -e(x) -var(x) -e(x²) -p(x < 1.4) a total of 40 observations of x are made.