James can jog twice as fast as he can walk. he was able to jog the first 9 miles to his grandmother’s house, but then he tired and walked the remaining 1.5 miles. if the total trip took 2 hours, then what was his average jogging speed?

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6