Step-by-step explanation:
Square root is equivalent to 1/2 power:
Square root of 9 is 3. Multiply the exponents by 1/2 to get:
Answer:
37 mph
if he starts at 0 then goes to 20 then add another 35 which gives you 55mph then he slows down you decrease 11 which is 44 then decrease again 7 gives you 37mph
40/13
The decimal form is going to be 3.076