There is a bag filled with 4 blue, 3 red and 5 green marbles.
a marble is taken at random from the bag, the colour is noted and then it is replaced.
another marble is taken at random.
what is the probability of getting 2 greens?

Plz ! what is the volume of this pyramid? with numbers of 30cm 14cm 18cm

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

Use the following statements to write a compound statement for the conjunction or disjunction. then find its truth value. p: an isosceles triangle has two congruent sides. q: a right angle measures 90° r: four points are always coplanar. s: a decagon has 12 sides. a) a right angle measures 90° or an isosceles triangle has two congruent sides; true. b) a right angle measures 90° and an isosceles triangle has two congruent sides; true. c) a right angle measures 90° and an isosceles triangle does not have two congruent sides; false. d) a right angle measures 90° or an isosceles triangle does not have two congruent sides; true.