Determine the critical value(s) for a right-tailed test of a population mean at the a=0.01 level of significance with 10 degrees of freedom

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

Find an equation for the linear function which has slope -10 and x-intercept -7

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6