A store is having a 20%-off sale on all merchandise. If Mai buys one item and saves $13,what was the original price of her purchase?Explain or show your reasoning

Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.