Simplify the expression. -2 3/5 - (-1 2/5) - 4/5 = ?

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

Which of the following is true for the relation f(x)=2x^2+1

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?