What's is the prpability of rolling a 3 on 8 sided dice and flipping heads?​

How many grams must be adde to 970g to make 1 and a half kg

How many $20 bills do you need to have to make $280

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?