For both of these, we will divide the wanted outcome by the number of possible outcomes. We will end up with a decimal. A decimal multiplied by 100 becomes a percent.
[a] 50%

[b] 52%


The first and last term factor into (2x+7) since this is a perfect square trinomial the answer must be 28
Square inch because it is a measure of area not volume
The equation for the slope intercept form is 2,3
Team Tool Bella's average rate was 3 miles per hour.