Find the area of the triangle below

Two different linear functions are shown below with two points given from each function. use slope-intercept form or point-slope form to find the equation of each. linear function a points: (–5, –2), (–5, 7) linear function b points: (7, –5), (–2, –5) function a has: the equation of line a is: function b has: the equation of line b is:

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.