11. (1 point) Under which condition(s) is/are best to use cosine law? a. three sides lengths are given b. two sides lengths are given and an angle opposite to one side is given c. either a or b d. none of the above

Issuming the outcomes to be equally likely, find the probability that exactly one of the three tosses is "Head. The probablility that exactly one of the three tosses is "Head" is

5 Describe the mathematical relationship between the gravitational potential energy of an object and its height above a reference point. 6 If the gravitational potential energy of an object 10 m above the ground is 50 J , what is its \( E_{p} \) if it moves to 30 m above the ground?

6. \( 28 \times 06 \)

b. Luisa tiene 23 años, su padre el doble de su edad y su abuelo el triple de su edad. ¿Cuántos años tiene el papá y el abuelo de Luisa?

If \( 23 x+101 x=130 x \). Find the value of