At the start of the year, Billy had 45 fish in his tank. By the end of March, 2/5 had passed away. By the end of June another 7 fish had died. By August, 20% of the remaining fish also died. How many fish
were left?

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

Determine if the equation defines y as a function of x: 2xy = 1. yes o no

If the car had not hit the fence, how much farther would it have skidded? solve the skid-distance formula to find the extra distance that the car would have traveled if it had not hit the fence. round your answer to two decimal places. note that unit conversion is built into the skid distance formula, so no unit conversions are needed.