Simplify Expressions. Which expression is equivalent to 5x - 2 + 2x - 6
7X-8
3X-8
7x - 4
3X - 4

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?