Corinne has a job selling magazines. she earns $7.50 per hour plus 20% of the total amount of her sales. she also gets an allowance of $40 per week for gas. she knows her weekly earnings can be shown using the following expression: 7.50h + 0.20s + 40

part a: if corinne works for 25 hours and sells $300 in magazines, how much does she earn for the week?

part b: if corinne gets a raise and begins earning $9 per hour, would the coefficient, variable, or constant in the equation change? why?

Recent research by marine biologists suggests that bottlenose dolphins have names for themselves. scientists played sounds they had identified as the names of particular dolphins, putting them through a synthesizer so that they did not sound like the voices of particular dolphins. the researchers found that dolphins would respond to the names of other dolphins that they were related to or associated with, but they ignored the names of strangers. this discovery suggests a much greater degree of self-awareness in aquatic mammals than was previously suspected. if this research holds up, what does it suggest about dolphins?

Adrought killed all the plants in an agricultural farmland. gradually, due to wind and some birds for. nearby areas, new plants started sprouting l. what stage of succession was taking place in the farmland? a) competition b) nudation c) ecesis d) reaction e) migration

Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal responds by in order to its core temperature?