The side lengths of a triangle are 5, 3, and 4. Is this a right triangle? dont care about an explanation just an answer please

The slope of a line is -1/2 . what is the slope of a line that is parallel to it? a. 1/2 b.2 c. -1/2 d. -2

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.