You reflect triangle PQR, with vertices P(-2, -4), Q(-3, -1), and R(-4, -4), across the y axis to get triangle P’Q’R’. What are the coordinates of triangle P’Q’R’?

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)?

Given sin∅ = 1/3 and 0 < ∅ < π/2 ; find tan2∅ a. (4√2)/9 b. 9/7 c. (4√2)/7 d.7/9

Susie wants to take her friend out for lunch. she wants to spend $9.75 each person. how much will she spend in all.