Dennis spent $3 less than twice as much money on dinner than on lunch. let l represent the amount of money he spent on lunch and d represent the amount of money he spent on dinner. write an equation to represent the amount of money dennis spent on dinner.

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Could somebody me with this radical simplification?

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next

X^2/100+y^2/25=1 the y-intercepts are at: a) (-10,0) and (10,0) b) (0,10) and (0,5) c) (0,-5) and (0,5)