The cos 23° = two thirds, then the sin 67° =

two thirds, because the angles are complementary
one half, because the angles are complementary
three halves, because the angles are supplementary
1, because the angles are complementary

$250 deductible means jane must pay the first $250 of her bill. so the insurance company paid = (80% of bill) - deductible = (0.8 x $2550) - $250 = $2040 - $250 = $1790 and jane's cost is = (bill) - (insurance payment) = $2550 - $1790 = $760