5. Solve the system using substitution. S-3x+ y = 10
1-6x + 2y = 20
no solutions
(3,0)
(-3,2)
infinite solutions

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart

Simplify (8x2 − 1 + 2x3) − (7x3 − 3x2 + 1). −5x3 + 11x2 − 2 5x3 − 11x2 + 2 x3 + 2x2 + x3 x3 − 2x2 − x3

You coordinate volunteers for litter cleanup in local parks. your spreadsheet lists drivers and the number of seat belts in each driver’s car. the spreadsheet calculates the number of drivers (d) and the total number of seat belts (s). you want to know the maximum number of volunteers, besides drivers, that can be transported to the park in a single trip given that each person must have a seat belt of their own.