Mary works as an english tutor. on monday, she earned $21.60. each day, her daily earnings increase by $1.50. how much will mary earn on thursday of the same week? $20.10

You and a friend went to the movies.you spent half your money on tickets. then you spent 1/4 of the money on popcorn, $2 on candy, and $3 on a soda. if you have $1 left, hiw much money did u take to the movies?

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0

What is the sum of these mixed numbers 4 2/3+ 3 1/9