In a class 30 students ,13 of them are boys

what percentage of the class are girls ?

give your answer to 1 decimal place

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Given: quadrilateral talk is a parallelogram. prove: ta congruent lk and al congruent kt

(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 ?

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?