Someone do theae for me i literally dont get them :( its due in 10 minutes

Adriana sold 50 shares of a company’s stock through a broker. the price per share on that day was $22.98. the broker charged her a 0.75% commission. what was adriana’s real return after deducting the broker’s commission? a. $8.62 b. $229.80 c. $1,140.38 d. $1,149.00

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

The wheels of a bicycle have a diameter of 70cm. how many meters will the bicycle travel if each wheel makes 50 revolutions