The cake store is having a %10, percent off sale on all of its cakes. if the cake you want regularly costs $7dollar sign, how much would you save with the discount?

Which expression gives the area of the triangle shown below

Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)