Inot sure if i did it right number 8 i did 2(x+12)=12
2x +144=12
-144
which i got132 divided 2x and i got 69 then i realized maybe i did something wrong and i did a different process but same equation instead multiply 12x2 and subtracted and i got 12 and divided by 2 and got 6 am i doing this right

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

Uestion 1(multiple choice worth 5 points) (05.02)alex wants to paint one side of his skateboard ramp with glow-in-the-dark paint, but he needs to know how much area he is painting. calculate the area of the isosceles trapezoid. isosceles trapezoid with top base 12 feet, bottom base of 18 feet, and height of 6 feet. 72 ft2 84 ft2 90 ft2 108 ft2

Isaac wants the equation below to have no solution when the missing number is placed in the box. which number should he place in the box?