Lines that are not in the same plane are called lines. a. transversal b. parallel c. skew d. perpendicular

Iam so stuck. what is the worked out answer for this question?

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year. how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

Find the solutions for a triangle with a =16, c =12, and b = 63º