If cos40= a, what is sin50 in terms of a?
a) a
b) 1/a
c) 90-a
d) a sr2

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

Roger could feed 5 walruses with 4 kilograms of fish. how many walruses could he feed with 7.2 kilograms of fish?

If bill bought a home for $210,000 and he sold it a year later for $120,000 his percentage of loss is