Four times a number increased by 40 is the same as when 100 is decreased by the number. Find the number.

What’s 8y+48 and factor each expression completely

Determine the domain and range of the given function. the domain is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}. the range is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}.

Line ab contains points a(4, 5) and b(9.7). what is the slope of ab?