IM GIVING BRAINLEST Francesca bought a box of yo-yos so she could add them to her birthday party goodie bags. After putting one yo-yo in each of 19 goodie bags, there were 19 yo-yos left in the box. Let y represent how many yo-yos were in the box to start. Which equation models the problem?

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

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