If a car travels at a speed of 25mi/hr for the hours , then travels 45mi/h for m hours what does the expression 25t+45mi represent

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?

What is the slope of the line (-7,2) (4,6)