Which is the first step in simplifying the expression 2(7 + 3) + 5?

At least two people have the same birthday in a school of 150 students

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

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?