Question 4 Alan is y years old and has 8 sisters. Write an expression for how old each sister is.
(a) Beth is 3 years old than Alan.
(b) Clara is 2 years younger than Alan,
(c) Donna is three times Alan's age.
(d) Emma is half Alan's age.
(0) Fiona is two years younger than Donna.
(g) Georgia is twice Beth's age.
(h) Hannah is 4 years older than Fiona.
(i) Isabelle is three times Emma's age.

Driving 75 mph, it takes alicia 2 hours to reach the airport to go on a vacation. it then takes her 4 hours to get to her destination with the jet traveling at a speed of 400 mph. how many miles does alicia travel to get to her destination?

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

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?