The area of a parallelogram increased from 40 square centimeters to 144 square centimeters. Find the percent increase in area. The pictures are not on scale.

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.

Complete the table for different values of x in the polynomial expression -7x2 + 32x + 240. then, determine the optimal price that the taco truck should sell its tacos for. assume whole dollar amounts for the tacos.