Justin can solve 900 math problems in 30 minutes. steve can solve 400 math problems in 20 minutes how many math problems can each of them solve in one minute

If 90° < θ < 180° and cotθ = -1/3, then cscθ =

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.