Roberto bought a new recliner. He was able to pay $200 at the time he received the recliner. He wiil pay $20 each moth on the balance. The original cost of the recliner was $400. a. Let x represent the number of months needed to pay off the cost of the recliner . Explain how the equation 200 + 20x = 400 represents this situation.

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year the population of her town is changing by a constant rate

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

The weight of 46 new patients of a clinic from the year 2018 are recorded and listed below. construct a frequency distribution, using 7 classes. then, draw a histogram, a frequency polygon, and an ogive for the data, using the relative information from the frequency table for each of the graphs. describe the shape of the histogram. data set: 130 192 145 97 100 122 210 132 107 95 210 128 193 208 118 196 130 178 187 240 90 126 98 194 115 212 110 225 187 133 220 218 110 104 201 120 183 124 261 270 108 160 203 210 191 180 1) complete the frequency distribution table below (add as many rows as needed): - class limits - class boundaries - midpoint - frequency - cumulative frequency 2) histogram 3) frequency polygon 4) ogive