Problem 467

  The width of a rectangle is fixed at 22 cm. What lengths will makes the perimeter greater than 94 cm? The length must be greater than ? cm.  …

Problem 466

In 1995, the life expectancy of males in a certain country was 69.8 years. In 1999, it was 73.6 years. Let E represent the life expectancy in year t and…

Problem 462

  Find the slope and the y-intercept. f(x) = -6x – 9 The slope is ?. The y-intercept is (0,?)   Solution Standard form of line is   y=mx+c Where m=slope…