If cos A=4/5 and A is in quadrant I what is the value of sin A * tan 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

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be bale to prepare using the sauce?

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)