Answer:
Step-by-step explanation:
45 seconds = 45/60 = 0.75 minutes
7 minutes 45 seconds = 7.75 minutes
One hour = 60 minutes
Number of full laps = 60/ 7.75 = 6000/775 = 7.74
He can make 7 full laps in one hour
No se;-; think of PEMDAS (parenthesis,exponents,multiplication,division,adding,subtract)
The Answer to this Question is:
(2x^2+3y)(4x^4-6x^2y+9y^2)
This symbol ^ means that the number after is an exponent.
