Stella uses the expression 0.40a, where a is the original attendance at a play, to find the reduced attendance at the next performance. what expression is equivalent to the expression that makes 0.40a

In δabc, m∠acb = 90°, cd ⊥ ab and m∠acd = 45°. find: a find cd, if bc = 3 in

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax

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