Which statements are written as biconditional statements? Select all that apply. If 2x−1=5, then x=3. If x=3, then 2x−1=5. 2x−1=5 if and only if x=3. 2x−1=5 or x=3. 2x−1=5 and x=3. 2x−1=5⇔x=3.

Given right triangle xyz, which correctly describes the locations of the sides in relation to

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest