What are the period and amplitude of the function?

A.) period: 4; amplitude: 3

B.) period: 4; amplitude: 2.5

C.) period: 5; amplitude: 3

D.) period: 5; amplitude: 2.5

Solve the system of equations y= 3/2 - 1, -x+ y =-3

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?

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long.at what angle is the sun above the horizon at that time?