Consider the conditional statement shown. If a student plays the trumpet, then the student is in the school band.
Which is a counterexample to this conditional statement?
A student can be in the band but not play the trumpet.
A student may not be in the band and not play the trumpet
O A student can play the trumpet but not be in the school band.
A student may play the trumpet and still be in the school band.

(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 ?

Which of the following graphs represents the function f(x) = 2^x

In the following diagram it is given that dec, ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2