3b. The graph shows a school's profit P for selling x lunches on one day. PART B: The school wants to change the price of lunch so that when it sells more than 30 lunches in one day, it begins to make a profit. How much would the school need to charge for each lunch in this situation? *

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

In δabc, m∠acb = 90°, cd ⊥ ab and m∠acd = 45°. find: a find cd, if bc = 3 in