For a picnic we bought 15 sandwiches and 7 2 litre cokes. We know that each school is worth 3 euros less than each sandwich and that we have been charged 100 euros how much does each sandwich cost?

What is the order of operations for 2 + (3 - 9) ÷ -3 · 4 in number order 1. subtraction 2. division 3. addition 4. multiplication

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.

What is the absolute value of the complex number -4-sqrt2i