I cannot figure this out. Anyone?

5 (-3x - 2) - (x - 3) = - 4 (4x + 5) + 13

If a=8, b=6 and c=2 what is the value of: 2ac/b

How do we calculate the circumference of a circle

What is the solution of 1-3x=x+3

Owen has 3.126 pounds of gummy bears, If he ate 1.4, how many pounds does he have left

N^2-7n-8=0 solving quadratic equation.

2. A chain 5 links long is joined to a chain 7 links long. How many links long is the resulting chain?

Evaluate f³+11g-4h when f=3, g=2, h=11

An=-31 + (n-1) - 11 find the eleventh term

Brian works in the lab and feels an empty cylindrical flask with 200 cubic centimeters of liquid. The flask has a radius of 3 cm and a height of 12 cm. What percent of the volume of the flask is not filled with liquid?

436% of what number is 31.61