Henry is designing a model for a dome shaped glasshouse. he creates the model and records the horizontal distance from the edge of the greenhouse of the dome over its vertical height from the base of the model. the table shows the horizontal distance from the edge of the greenhosue, in inches, x, over its verital height from the base, in inches, f(x). use data in table to create standard form of the function that models this situation.

Q.1 dr. frank needs to choose 3 students from her advanced biology course to attend a conference in hawaii. the course has 40 students. which of the following methods could dr. frank use to choose a simple, random sample of 3 students? select all that apply. 1 dr. frank could have the students line up from shortest to tallest, then use her birthdate, 2/5/39, to select 3 students from the line (the 2nd student, the 5th student, and the 39th student). 2. dr. frank could upload her class roster into a spreadsheet and use a ranom-number generating function to produce 3 random numbers. the students whose names are located in the rows with these 3 numbers on the spreadsheet would be chosen. 3. dr. frank could choose the students with the 3 highest grades in the class. 4. dr. frank could count to three, then the first students to come to the front of the classroom and grab a golden ticket from her hand would be selected. 5. dr. frank could ask all students to write their name on a card, place all of the cards in a hat, shake the hat, and then pull 3 cards out from the hat. the students whose names appear on those 3 cards will be selected. 6. dr. frank could ask for volunteers to go to the conference, then choose the first 3 students who raise their hands. q2. now, choose one of the methods that you did not select and explain why this method would not result in a simple, random sample:

How will you write 5 x 5 x 5 x 5 x 5 as an exponential expression? oa. 5x5 ob. 55 oc. 545 od. 5 reset next

Sonia works at a sporting goods store. she earns $415 per week plus a 5.25% commission on her sales. one week, her sales are $2,200. what is her total income for the week?