Zane way to color meatballs during a science class the blue ball weighs 7 lb in the green ball weighed 0.69 lb in the same place as both balls on a on a scale at the same time what will the scale read

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?