What is the answer to 3(y - 1 + 2y)

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

Is a square always, sometimes, or never a parallelogram