A donut -making machine uses 9.87 kilograms of sugar each hour. how many kilograms of sugar will the machine use in 4 hours

Apple pie is removed from 350 degree oven. temperature of the pie t minutes after being removed id given by the function t(t)=72+268e-0.068t

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.

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?