Will give you brainy if what is the value of d?   −5.5(d−2)=−12.1   enter your answer in the box.

Aregular hexagon rotates counterclockwise about its center. it turns through angles greater than 0° and less than or equal to 360°. at how many different angles will the hexagon map onto itself?

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared

Through non-collinear points there is exactly one plane.