There are 57 students in the orchestra and twice that number in the band. There are 18 boys and 28 girls in the choir. If each student only participates in one group, how many
students total are there in the orchestra, the band, and the choir?

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

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?

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.