Alocal trucking company fitted a regression to relate the travel time (days) of its shipments as a function of the distance traveled (miles). the fitted regression is time = −7.126 + 0.0214 distance, based on a sample of 20 shipments. the estimated standard error of the slope is 0.0053. find the value of tcalc to test for zero slope.

Tom is making a punch that contains 80% cranberry juice and the rest ginger ale. the punch has 2 liters of ginger ale. part a: write an equation using one variable that can be used to find the total number of liters of cranberry juice and ginger ale in the punch. define the variable used in the equation and solve the equation. hint: 0.8x represents the number of liters of cranberry juice in the punch. (5 points) part b: how many liters of cranberry juice are present in the punch? show your work.

Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race