Melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 by 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 come in boxes of 12
how many boxes do they need

To make a monster appear large in a movie, a human actor wore a costume and walked through a scale model of a city. the scale used was 1 inch = 15 feet. the actor is 60 inches tall. how tall does the monster appear in the movie? question 5 options: 720 feet 75 feet 4 feet 900 feet

The fraction of defective integrated circuits produced in a photolithography process is being studied. a random sample of 300 circuits is tested, revealing 17 defectives. (a) calculate a 95% two-sided confidence interval on the fraction of defective circuits produced by this particular tool. round the answers to 4 decimal places. less-than-or-equal-to p less-than-or-equal-to (b) calculate a 95% upper confidence bound on the fraction of defective circuits. round the answer to 4 decimal places. p less-than-or-equal-to

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.