Which of the following expressions are equal to 2.5? .

5 ÷ 2
-2(-1.25)
(-0.5)2
-1 + (-1.5)
bonus question

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9

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

The given diagram shows the parts of a right triangle with an altitude to the hypotenuse. using the two given  measures, find the other four.