230% of 99 hours is what?

At a lunchron, guests are offered a selection of five different grilled vegetables and four different meats. in how many waya could one choose three vegetables and two meats?

The figure shows the front side of a metal desk in the shape of a trapezoid. what is the area of this trapezoid? 10 ft²16 ft²32 ft²61 ft²

What are the solutions of the equation x4 – 5x2 – 14 = 0? use factoring to solve. someone !