Evaluate the expression when a=-2 and b=5.
- 7b+a

Sara needs to take a taxi to get to the movies the taxi charges $4.00 for the first mile and then $2.75 for each mile after that if the total charge is $20.50 then how far was sara’s taxi ride to the movie

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

The probability that a tutor will see 0, 1, 2, 3, or 4 students is given below determine the probability distribution's missing value.