Gwendelyn, who is a witch, went on an international witch tour. The following table shows the number of
spells that she cast in each country.
Country
Number of spells
Brazil
Argentina
5.
Russia
5
Australia
Find the mean number of spells cast.
spells
Find the mean number of spells cast

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.

Joline is solving the equation 0=x^2-5x-4 using the quadratic formula which value is the negative real number solution to her quadratic equation round to the nearest tenth if necessary