which situation results in a change that could be modeled by a negative number? a. a change in elevation from 492 feet to 783 feet b. a change in elevation from –12 feet to 123 feet c. a change in elevation from sea level to 87 feet d. a change in elevation from 632 feet to 312 feet (6th grade level) plz

The triangles are similar. what is the value of x? show your work.

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

The table below represents a linear function f(x) and the equation represents a function g(x): x f(x) −1 −5 0 −1 1 3 g(x) g(x) = 2x − 7 part a: write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points) part b: which function has a greater y-intercept? justify your answer. (4 points)