Three classmates spent money at the school supplies store mark spent 0.5 dollar andre spent 0.45 dollar an raquel spent 0.52 dollar write a number sentence that compares the money andre spent the money that mark spent

What is the value of the product (3-2i)(3+2i)?

Michael split a rope that was 28 inches long into 5 equal parts. brenden split a rope that was 30 inches long into 6 equal parts. which boy's rope was cut into longer pieces?

Three students each examine the system of linear equations shown. 8x + 4y = 16 8x + 2y = 8 caleb says there is exactly one solution. jeremy says there is no solution. kim says there are infinitely many solutions. which student is correct? provide mathematical reasoning to support your answer. answer in complete sentences. : d