Travis lives 195 miles from dallas. on a normal trip, it takes 180 minutes to drive from his house to dallas. what is travis' average rate of speed in miles per hour?

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

Rewrite the equation x = 65 - 60p by factoring the side that contains the variable p.

Me because i don't understand how to do it.: )