Igot all of these questions wrong can someone me see what i did wrong and how to fix them? (sorry if you can't read it too well)

for the first question you would want to to multiply 52*1.5 because 52 is the original price and 1.5 is the mark up. by multiplying these together you get 78. next you need to add the tax. For tax you should multiply 78*.1 (this answer is 7.8) and add the answer to 78, getting the total of 85.8. I really hope this helps :-)

the answer is a

step-by-step explanation:

because if you put 1 in to the square root of x it equals 300.

283 square feet

step-by-step explanation:

good luck