Achemist is using 376 milliliters of acid and water. if 19.2% of the solution is acid, how many milliliters of acid are there? round your answer to the nearest tenth.

Complete the truth table a. t, f, f, t b. t f f f c. f t f t d f t f t

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4

Ameteorologist is studying the monthly rainfall in a section of the brazilian rainforest. she recorded the monthly rainfall, in inches, for last year. they were: 10.4, 10.3, 11.7, 11.1, 8.0, 4.4, 2.6, 1.8, 2.5, 4.4, 7.3, 9.5 fill in the missing values in the formula. what is the variance?