A triangle on a sphere could have
degrees.

Can someone me and do the problem plz so i can understand it more better

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

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)