An architect is sketching a doorway the top of which is part of a circle of radius 50 in. the central angle is 100. how many inches long will the arc be? select from

43. 41/63
87. 19: 63
130 60/63
164 48/63

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form