To get a B in math, Alexandria Pappas must average 80 on five tests. Scores on the first four tests were 84,76,83, and 74. What is the lowest score that she can get on the last test and still get a B?

Which logarithmic equation is equivalent to the exponential equation below? e^a=55(you will receive 34 points)

Can someone answer these problems for me

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation