Blaise sorted shapes using the Venn diagram below. What categories could Blaise have used to sort the shapes?

All the information is in the pictures.

X2 + y 2 = 36 x + y = 6 solve the system of equations.

Ireally need subtract and simplify.(-y^2 – 4y - 8) – (-4y^2 – 6y + 3)show your work, ! i will mark you brainliest but you have to show your work.

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?