Miranda bought 7$-movie ticket and popcorn for a total of 10$. the equation 7 + x = 10 can be used to find the cost x in dollars of the popcorn. how much did the popcorn cost?

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.