Identify the errors and explain them:
a) The absolute value of -4 is -4 because -4 is 4 units to the left of zero.
b) The absolute value of a number can be negative

Y=4x^2+x-1 solve using quadratic formula

You are measuring the dimensions of the floor in your bedroom because you are planning to buy new carpet. which unit of measure is the most appropriate to use in this situation?

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?