3=(1/4)f(-2)
How do u solve this

Ihave a 69 and an 82. the 69 is worth 40% of my grade and the 82 is worth 15%. can someone tell me my current average grade.

Which table shows a proportional relationship between miles traveled and gas used?

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2