Where do i put parentheses and brackets to make the equation 40-2*8+2-10 = 10?

(40 points) i need some . an answer definition is appreciated as well.

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?