Your eccentric aunt isabella send money to each niece and nephew on his or her birthday. she gives each child 10 hours on his or her first birthday on each birthday there after you and your cousins get $20 more than on the birthday before. how old will you be when you’ve received a total of $4000 from aunt isabella

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

In the diagram below, tan θ = sqrt 3. what is the value of m?

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.