Savannah needs to buy a bag of dog food that will last for 2 weeks (14 days). estimates that a 20 lb bag will be enough. Is she correct? PL HELP

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

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position

There are 18 female students and 16 male students in a class. which of the following expresses the ratio of female students to male students in simplest form? а) 10 b) 9 to 8 c) 8: 9 d)18/16