learners at a school sell 340 dumplings for 15 weeks. they charge $12 for each dumpling. calcalute the profit they will make if the cost for each vetkoek is $4 and the cost of all ingredients is $623.48 per week​

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

Select all the statements that apply to this figure

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g