calculus make up work :)

ne: 1. Graph 2 Calculus Sub Work - Placement Test Practice both lines on the coordinate plane below and write the coordinates of the solution to the system Z. 1x - 7 . 8 ym=x - 2 ym -2x +8 x * 2y - 4 For the system of equations above, what is the value of x + y ? A) - 2X - 4 - 8 B) C) D) 20 are there? 3. A farm has 20 animals, and they are all chickens and horses. If there are 50 legs at the farm, how many of each animal 4. The Madison High School marching band sold gift wrap to earn money for a band trip to Orlando, Florida . The gift wrap in solid colors sold for $4.00 per roll , and the print gift wrap sold for $6.00 per roll . The total number of rolls sold was 480 ,and the total amount of money collected was $2340. How many rolls of each of each kind of gift wrap were sold? 5. The Celtics beat the Lakers 80 - 65. If the Celtics didn't make any free throws but made a total of 37 baskets, how many three-point shots did they make? 6. A test has twenty questions worth 100 points. The test consists of True/False questions worth 3 points each an multiple-choice questions worth 11 points each. How many multiple-choice questions are on the test