I need these 3 answers! I'll give brainliest to whoever answers first! (Also putting for 20 points) y/12 - 5 = 11

3.2x + 2.6 = -23

-6.85 + m/4 = -11

All are two-step equations, please include steps!

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?

Acylinder with a base diameter of x units has a volume of jxcubic units which statements about the cylinder are true? check all that apply. the radius of the cylinder is 2 x units. the radius of the cylinder is 2x units. the area of the cylinder's base is 200 square units. the area of the cylinder's base is a square units. the height of the cylinder is 2x units. the height of the cylinder is 4x units. mark this and return save and exit next submit

2/3(-6y+9x) expand each expression using the distributive property