Keith spent half of his allowance going to the movies he washed the family car and earned $8 what is his weekly allowance if he ended with $11?

Does anyone know this? the andwer choices are: 79, 85, 101, and 135 degrees!

Reflect the point (7,0) across the y-axis

Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.