find (a) a polynomial that represents the perimeter of the given triangle (b) the degree measures of the angles if the triangle​

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

Consider the input and output values for f(x) = 2x - 3 and g(x) = 2x + 7. what is a reasonable explanation for different rules with different input values producing the same sequence?