Determine the measure of angle ECB. Question 9 options:
1) 91.75°
2) 183.5°
3) 176.5°
4) 88.25°

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

Out of $20$ creepy-crawly creatures in a room, $80\%$ are flies and $20\%$ are spiders. if $s\%$ of the total legs belong to spiders, what is $s$?

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?