4x^3-88x^2+420x (b) find the values of x for which the volume is greater than 250 in3. (round your answers to three decimal places. enter your answer using interval notation.)

Aculture started with 2,000 bacteria. after 8 hours, it grew to 2,400 bacteria. predict how many bacteria will be present after 19 hours . round your answer to the nearest whole number. p=ae^kt

Divide. –40 ÷ –5 a –8 b 200 c -200 d 8

Pleting the square f the given find the x-intercepts of the parabola with vertex (-5,13) and y-intercept (0, 12). write your answer in this form: (14,.99). if necessary, round to the nearest hundredth. *- h enter the correct answer, de verter, and ametry 00000 done doo