Which reaction is endothermic?
hci + naoh _nacl + h2o + 58 kj
• 6co2 + 12h2o + energy - c& h 20g +602 + 6h2o
2na+ cl - 2nacl + energy
2ch3 +702 - 4co2 + 6h2o + 2,502 kj

Use the frequency distribution, which shows the number of american voters (in millions) according to age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range. ages frequency 18 to 20 5.9 21 to 24 7.7 25 to 34 20.4 35 to 44 25.1 45 to 64 54.4 65 and over 27.7 the probability that a voter chosen at random is in the 18 to 20 years old age range is nothing. (round to three decimal places as needed.)

How much orange juice do you need to make 2 servings of lemony orange slush?

Acircle has a circumference of 7.850 units. what is its radius?