Hi guys i don’t know what this really is but this is the equation 2x+2=7x+7 and it say = 90 at the end plz help

Janets dinner costs 7.50. if she wants to leave a 10% tip how mich extra should she leave

The volume of a cone is 37x3 cubic units and its height is x units. which expression represents the radius of the cone's base, in units? 1 s o 3x o 6x obx 93x2

Ialready asked this but i never got an answer. will give a high rating and perhaps brainliest. choose the linear inequality that describes the graph. the gray area represents the shaded region. y ≤ –4x – 2 y > –4x – 2 y ≥ –4x – 2 y < 4x – 2