Parker is planning to build a playhouse for his sister. the scaled model below gives the reduced measures for width and height. hight 10 cm and base 22 cm. the yard space is large enough to have a playhouse that has a width of 3.5 meters. if parker wants to keep the playhouse in proportion to the model, what cross multiplication of the proportion should he use to find the height?

The thickness of photoresist applied to wafers in semiconductor manufacturing at a particular location on the wafer is uniformly distributed between 0.2070 and 0.2171 micrometers.(a) determine the proportion of wafers that exceeds 0.2125 micrometers of photoresist thickness. (round your answer to 3 decimal places.)enter your answer in accordance to the item a) of the question statement(b) determine the mean of x. (round your answer to 4 decimal places.)enter your answer in accordance to the item b) of the question statement micrometers(c) determine the variance of x. (round your answer to 8 decimal places.)enter your answer in accordance to the item c) of the question statement micrometers2