Which rectangular equation is equivalent to the polar equation
cos2 = -2

If square root x = -7, then x= -49 true or false

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog