Find the measure of Angle F ASAP thank u !!

An angle that measures between 90 and 180° is called a(,

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5