Aproblem solving method that involves trying all possible solutions until one works is using
a. an algorithm
b. trial-and-error
c. deductive reasoning
d. a heuristic

Tell whether the two rates form a proportion

The graph below shows the line of best fit for data collected on the number of cell phones in cell phone cases sold at the local electronic store on four different days

Megan is making bracelets to sell to earn money for the local animal shelter. it takes her 1/4 hour to pick out all the beads and 1/10 hour to string them. this week, she only has 5 1/4 hours to make bracelets. how many bracelets will megan be able to make?