A sphere has a diameter of 28 millimeters. What is the circumference of the great circle? Use 3.14 for p. a. 43.96 millimeters b.87.92 millimeters c. 125.84 millimeters d.615.44 millimeters

(a) calculate the molarity of a solution that contains 0.0345 mol nh4cl in 400 ml of solution. (b) how many moles of hno3 are present in 35.0 ml of a 2.20 m solution of nitric acid? (c) how many milliliters of 1.50 m koh solution are needed to supply 0.125 mil of koh ?

If lmn=xyz, which congruences are true by cpctc? check all that apply

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 $s$?