−2(x − 5) ≤ 6x + 18 −2x + 10 ≤ 6x + 18 −8x +10 ≤ 18 −8x ≤ 8 x ≤ −1 What mistake did Marcie make in solving the inequality?

Can someone me and plz do the problem

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 ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry