When Kyra solved an equation, she ended up with x = 0. She stated that there was no solution. Is Kyra correct?

Combine like terms7y^2 + 7(6y^2 − 8)

Barbara's piano instructors house is 7 1/8 miles from her house. after biking for 1 3/4 miles she stops to rest how much longer does she need to bike to reach her instructor's house

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.