a burger and an order of fries cost $8.20 Five Burgers and three orders of fries cost $35.10 how much sugar is in order of fries​

The focus of a parabola is (-4,-5) and its directrix is y=-1 find the equation

Out of the 180 students at a summer camp, 72 signed up for canoeing. there were 23 students who signed up for trekking, and 13 of those students also signed up for canoeing. use a two-way table to organize the information and answer the following question: approximately what percentage of students signed up for neither canoeing nor trekking? 72% 40% 54% 98%

An archaeologist in turkey discovers a spear head that contains 53% of its original amount of c-14. find the age of the spear head to the nearest year. (5250 isn’t right)