How do you solve 5(2) to the power of x = 5x+4

How much orange juice do you need to make 2 servings of lemony orange slush?

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

Ametal rod is 2/5 meters long. it will be cut into pieces that are each 1/30 meters long. how many pieces will be made from the rod?