What is the slope of a line perpendicular to the line whose equation is x+3y=-15x+3y=−15. Fully simplify your answer.

Find and simplify the difference of the golden ratio and its multiplicative inverse

Which statement is not always true for a parallelogram? (a) opposite sides are congruent. (b) diagonals bisect each other. (c) it has 4 congruent angles. (d) consecutive angles are supplementary.

Listed in the table is the percentage of students who chose each kind of juice at lunchtime. use the table to determine the measure of the central angle you would draw to represent orange juice in a circle graph