A blimp, suspended in the air at a height of 400 feet, lies directly over a line from a sports stadium to a planetarium. if the angle of depression from the blimp to the stadium is 40degrees° and from the blimp to the planetarium is 23
degrees°, find the distance between the sports stadium and the planetarium.

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent

At wind speeds above 1000 centimeters per second (cm/sec), significant sand-moving events begin to occur. wind speeds below 1000 cm/sec deposit sand and wind speeds above 1000 cm/sec move sand to new locations. the cyclic nature of wind and moving sand determines the shape and location of large dunes. at a test site, the prevailing direction of the wind did not change noticeably. however, the velocity did change. fifty-nine wind speed readings gave an average velocity of x = 1075 cm/sec. based on long-term experience, σ can be assumed to be 245 cm/sec. (a) find a 95% confidence interval for the population mean wind speed at this site. (round your answers to the nearest whole number.) lower limit cm/sec upper limit cm/sec

Angie has saved 3/8 of the amount she needs to buy a bike. clive has saved 7/10 of the amount he needs to buy a skateboard. what is the difference between clive's and angie's fraction of savings?