At the metal -casting company where you work, you must set up conveyor system to move castings from the furnace to the heat treatment area 55 yards away. The casting cool at the rate of 0.3F (degrees Fahrenheit )per second and must not be allowed to cool more than 7f before being heat treated. what is the minimum speed, in feet per second, that the conveyor must move?

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?