Rosa spent $11.52 on 8 candy necklaces for each of her two friends. How much did each necklace cost? sry im kinda dumb and lazy but 10 free points here

Which matrix multiplication is possible?

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer